Corsi Collection of Decorative Stones

Page 9 of 10, showing 801 - 900 of 1000 stones.
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OUMNH number Name and quarry location Geological description
OUMNH number Name and quarry location Geological description
114stone 114 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia or conglomerate of poorly sorted limestone clasts. Note stylolites.
102stone 102 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia-conglomerate of poorly sorted mixed limestone and green Fe-silicate bearing clasts in a variably iron-stained micritic matrix .
103stone 103 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia-conglomerate of poorly sorted limestone and limestone breccia clasts in a green chlorite/epidote-rich matrix, but with some characteristic black matrix also evident.
106stone 106 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia or conglomerate of poorly sorted mixed limestone clasts in a green chlorite-rich matrix.
108stone 108 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia or conglomerate of poorly sorted mixed limestone clasts in a green chlorite-rich matrix.
112stone 112 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia or conglomerate of poorly sorted limestone clasts which have been partially oxidised.
101stone 101 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia-conglomerate of poorly sorted limestone clasts in a chlorite-bearing greenish matrix. It has calcite-filled veins, and crinoids and other fossil debris within the clasts.
915stone 915 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Tectonic breccia-conglomerate of poorly-sorted limestone and metamorphic clasts, the latter rich in green iron silicates. The matrix is green, chlorite-rich.
913stone 913 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Tectonic breccia-conglomerate of poorly-sorted grey-brown biospar limestone clasts in a microspar matrix rich in red, brown and yellow ferruginous matter (oxidised chlorite). The same colours abundant stylolites. Cavities are filled with sparry calcite.
413stone 413 Breccia gialla, locality unknown Polymict limestone breccia/conglomerate.
104stone 104 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia or conglomerate; this specimen is cut almost entirely from a single pink somewhat fractured clast which has abundant stylolites. Small areas of black matrix are evident.
452stone 452 Breccia del Giannicolo, from Rome, Lazio, Italy Limestone breccio-conglomerate, very poorly sorted; the matrix is clear crystalline calcite in places, elsewhere full of microfauna-rich grains.
945stone 945 Breccia pavonazza bruna o dal suffragio, locality unknown Polymict breccia-conglomerate. Smaller clasts in matrix are realatively rounded and ferruginous reddish-brown, and all clasts are have ferruginous mainly stylolitic clast boundaries Voids are filled with sparry calcite. A few clasts contain bright green, 'fushsite' (chromium-bearing muscovite).
117stone 117 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia or conglomerate of small limestone clasts in a chlorite-rich matrix crossed by stylolites.
483stone 483 'Breccia traccagnina di Giazza', locality unknown; possibly the Verona area, Veneto, Italy Polymict limestone breccia-conglomerate with solution modified clast boudaries.
105stone 105 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia or conglomerate of small limestone clasts in a black matrix.
216stone 216 Broccatellone from Verzirhan, Bilecik,Turkey Limestone breccia-conglomerate with a ferruginous matrix. It has extensive post-depositional fracturing and calcite veining.
450stone 450 Breccia della Gaetta, from Gaetta (Gaeta), Lake Como, Como, Lombardy, Italy Limestone breccio-conglomerate in pink limestone matrix.
948stone 948 Broccatellone, from Verzirhan, Bilecik,Turkey Tectonised limestone breccia-conglomerate.
434stone 434 Breccia dorata, from Montagnola Senese, Siena, Tuscany, Italy Breccia of fine-grained recrystallised limestone (probably weakly metamorphosed) clasts, closely packed, with minimal red calcareous matrix. Pink colour is leached, not present in rims of larger clasts and all the smaller clasts. It has stylolites, stylolitised clast boundaries, and a few sparry calcite-filled cavities.
433stone 433 'Breccia di Brentonega di Dolce nel Veronese', from Dolce, Verona, Veneto, Italy, or from Brentónico, Trentino, Trentino-Alto Adige, Italy Jurassic ?syn-sedimentary breccia with micritic limestone clasts, sparry matrix, stylolites and spar-filled voids.
404stone 404 Breccia corallina, from Verzirhan, Bilecik,Turkey Limestone breccia with extensive solution-modified stylolitic clast contacts, and calcite-filled fractures/veins.
435stone 435 Breccia di Canneto, from Canneto, Tuscany, Italy Breccia of grey micritic limestone clasts showing 'paesination' (microfracture constrained iron-staining like that of pietra paesina, q.v.)
22stone 22 Giallo antico, from Chemtou, Tunisia Breccia of clasts of fine-grained limestone, largely recrystallised, in a ferruginous sparry micritic matrix.
28stone 28 Giallo antico, from Chemtou, Tunisia Breccia of clasts of fine-grained limestone, extensively recrystallised through diagenesis, in a ferruginous micritic matrix. Note areas of coarser crystalline calcite (probably the relics of fossils), and stylolites.
33stone 33 Giallo antico, from Chemtou, Tunisia Breccia of clasts of fine-grained limestone, extensively recrystallised through diagenesis, in a ferruginous micritic matrix. Note areas of coarser crystalline calcite (probably the relics of fossils), and minor dendrites of manganese oxides.
32stone 32 Giallo antico, from Chemtou, Tunisia Breccia of clasts of fine-grained limestone, extensively recrystallised through diagenesis, in a ferruginous micritic matrix. Note areas of coarser crystalline calcite (probably the relics of fossils).
23stone 23 Giallo antico, from Chemtou, Tunisia Breccia of clasts of fine-grained limestone, extensively recrystallised through diagenesis, in a ferruginous micritic matrix.
30stone 30 Giallo antico, from Chemtou, Tunisia Breccia of clasts of fine-grained limestone, extensively recrystallised through diagenesis, in a ferruginous micritic matrix.
31stone 31 Giallo antico, from Chemtou, Tunisia Breccia of clasts of fine-grained limestone, extensively recrystallised through diagenesis, in a ferruginous micritic matrix.
34stone 34 Giallo antico, from Chemtou, Tunisia Breccia of clasts of fine-grained limestone, extensively recrystallised through diagenesis, in a ferruginous micritic matrix. It has been cut to show where the matrix has turned grey as a result of exposure to anoxic reducing conditions. Other parts of this specimen are the normal colour of a giallo antico.
125stone 125 Grand antique, bianco e nero antico, from Lez valley, Aubert, near St Girons, Hautes-Pyrénées, France Breccia of almost black limestone clasts in a compact white granular calcite matrix.
126stone 126 Petit antique, from area around Hèche and Hèchettes, Hautes-Pyrénées, France Breccia of black and grey limestone clasts in a compact white granular calcite matrix.
128stone 128 Grand antique, bianco e nero antico, from Lez valley, Aubert, near St Girons, Hautes-Pyrénées, France Breccia of grey limestone clasts in a compact white granular calcite matrix.
418stone 418 Grand antique, bianco e nero antico, from Lez valley, Aubert, near St Girons, Hautes-Pyrénées, France Black limestone breccia with calcite-filled voids and fractures. Some beige coloured areas are fossiliferous clasts and margins to black clasts.
943stone 943 Breccia rossa, locality unknown Metamorphosed (tectonised) limestone breccia with calcite/hematite-filled fractures, solution seams and stylolites.
552stone 552 Gesso di Faenza, from Faenza, Ravenna, Emilia-Romagna, Italy Calcite-cemented breccia with small angular gypsum clasts, patches of micritic limestone and smaller dark grains.
254stone 254 Lumachella di Vialeta, from Vialeta, Verona, Veneto, Italy Synsedimentary breccia of fossiliferous bioclast-rich microsparite limestone; the matrix is intraclast-rich with spar cement.
167stone 167 Diaspro tenero di Sicilia, from Taormina, Messina, Sicily, Italy Synsedimentary limestone breccia.
177stone 177 Diaspro tenero di Sicilia, from Taormina, Messina, Sicily, Italy Slumped syn-sedimentary limestone breccia.
438stone 438 Breccia di Brescia, from Brescia, Lombardy, Italy Limestone breccia.
458stone 458 Pomarolo di Serme, from Serme, Verona, Veneto, Italy Brecciated limestone with red, non-calcareous (perhaps lateritic) matrix.
467stone 467 Breccia di Tivoli, from Tivoli, Lazio, Italy Black limestone breccia with white limestone matrix.
76stone 76 Marmo nero di Como, from Como, Lombardy, Italy Black bituminous limestone with inclusions of organic matter, perhaps coprolites.
210stone 210 Marmorato di Como, from Como, Lombardy, Italy Birdseye limestone, probably originally a peloidal micrite. Oncolites, rounded sedimentary structures resulting from cyanobacterial growth, can be seen in places.
505stone 505 Marmo venato di Tivoli, from Tivoli, Roma, Lazio, Italy Recrystallised, probably originally bioturbated, micritic or microspar limestone with extensive stylolites and calcite filled fractures.
506stone 506 'Corso della mola di Sant'Ambrogio', from Sant' Ambrogio di Valpolicella, Verona, Veneto, Italy Recrystallised, probably originally bioturbated, micritic or microspar limestone with extensive stylolites and calcite filled fractures.
286stone 286 Derbyshire fossil marble, from One Ash Grange, near Monyash, Derbyshire, England; perhaps from the nearby Brecks or Bricks quarry. Carboniferous Limestone; Lower Carboniferous bioturbated fossiliferous micrite with bryozoan algae, brachiopods and other skeletal debris. It is extensively stylolitised; the stylolites having sparry hematitic fills.
173stone 173 Diaspro tenero di Sicilia, from Castellammare, Trapani, Sicily, Italy Bioturbated limestone, most probably of the Cretaceous-Eocene Scaglia Rossa Formation. It is a fossiliferous pelagic biomicrite crowded with planktonic forams and calcispheres together with some molluscan debris. Note the calcite-filled fractures.
175stone 175 Diaspro tenero di Sicilia, from Trapani, Sicily, Italy Tertiary limestone. A bioturbated fossiliferous pelagic biomicrite crowded with planktonic forams and calcispheres, with some molluscan debris. Note calcite-filled fractures.
141stone 141 Bigio antico, bigio morato, locality unknown Grey-brown bioturbated limestone with a few mollusc fragments. Note white coarse-grained spar-filled cavities and fractures, and abundant stylolites. The surface is waxed and polished.
179stone 179 Rosso di Malcesine, from Malcesine, Verona, Veneto, Italy Limestone. A bioturbated fossiliferous biomicrite with abundant planktonic forams and calcispheres. It has extensive development of orange-red stylolites.
54stone 54 Marmo carnagione di Terni, perhaps from the province of Terni, Italy Limestone, probably from the Scaglia Rossa Formation (Upper Cretaceous). A bioturbated fossiliferous biomicite with abundant tiny planktonic forams and calcispheres. Bioclasts are calcite filled. Many sub-parallel slender calcite-filled fractures are evident, as are a few manganese oxide dendrites.
53stone 53 Marmo carnagione, persichino di Mazzurega, from Mazzurega, near Fumane, Verona, Veneto, Italy Limestone from the Upper Cretaceous Scaglia Rossa Formation. A bioturbated fossiliferous biomicrite with abundant planktonic forams and calcispheres, and with a few stylolites.
52stone 52 Marmo carnagione d'Asti’; probably from Italy, but Asti, in Piedmont, is very doubtful. Limestone from the Upper Cretaceous Scaglia Rossa Formation. A bioturbated biomicrite with planktonic forams and abundant tiny bioclasts.
264stone 264 Astracane di Verona, lumachella di Verona, from Verona, Veneto, Italy Limestone. A molluscan biosparite crowded with whole and fragmentary brachiopods (probably terebratulids) and bivalves, replaced by sparry calcite, and with a few scarce gastropods. Some stylolites are evident.
265stone 265 Astracane di Verona, lumachella di Verona, lumachella Pernise, from Val Pernise; near Grezzana, Verona, Veneto, Italy Limestone. A molluscan biosparite crowded with whole and fragmentary brachiopods (probably terebratulids) and bivalves, replaced by sparry calcite. A few gastropods are also present. A stylolite can be seen.
255stone 255 Moregio di S.Ambrogio, from 'Sant'Ambrogio', Vicenza, Veneto, Italy - most likely the Chiampo area, Vicenza. Biosparite limestone with abundant skeletal debris of larger benthic forams (Nummulites, Assilina, Alveolina), small benthic forams, calcareous algae, echinoderms, and bryozoans. Note the pervasive incipient stylolites. It is probably of Middle Eocene age.
236stone 236 Lumachella di Lugano, from Lake Lugano, Varese, Lombardy, Italy Fossiliferous biosparite limestone with abundant molluscan debris, peloids and coated grains, and a large ?cephalopod. Stylolites contain red filler/polishing compound.
231stone 231 Lumachellone antico, locality unknown Limestone; fossiliferous biosparite with large gastropods, perhaps Actaeonellid gastropods.
248stone 248 Astracane di Verona, lumachella di Verona, lumachella Pernise, from Val Pernise, near Grezzana, Val Pantena, Verona, Veneto, Italy Limestone. A molluscan biosparite crowded with whole and fragmentary brachiopods (probably terebratulids) and bivalves, replaced by sparry calcite. A few gastropods are evident, and it has stylolites.
256stone 256 Astracane di Verona, lumchella di Verona, from Verona, Veneto, Italy Limestone. Molluscan biosparite crowded with whole and fragmentary brachiopods (probably terebratulids) and bivalves which are replaced by sparry calcite. It contains a few gastropods and has stylolites.
259stone 259 Marmo ovara bigio di Bolca, from Monte Bolca, Val d'Illasi, Verona, Veneto, Italy Fossiliferous biosparite limestone with abundant small nummulites. Also present are diverse bethic forams, algal and molluscan grains.
260stone 260 Marmo schisto bianco di Monte Bolca, from Monte Bolca, Val d'Illasi, Verona, Veneto, Italy Limestone. A fossiliferous biosparite with abundant benthic forams (Quinqueloculina, Alveolina), algae, and sclerosponge. It is probably Eocene.
279stone 279 Lumachella di Valpolicella, perhaps giallo reale, from Valpolicella, Verona, Veneto, Italy Biosparite limestone with abundant large benthic forams, algal nodules and grains, and molluscan debris.
230stone 230 Lumachella nera, locality unknown Fossiliferous biosparite limestone with articulate brachiopods (pentamerids?, some wholly or partially spar-infilled), solitary corals, and crinoid debris. It is of Upper Palaeozoic age.
342stone 342 Lumachella di San Vitale, from the province of Verona, Veneto, Italy Fossiliferous biosparite limestone with large fragments of 'lithiotis' bivalves. Original aragonite shells are replaced by sparry calcite. Some primary prismatic calcite survives. Note the calcite filled fractures and stylolites.
219stone 219 Lumachella antica, occhio di pavone nero, locality unknown Limestone; a black biosparite matrix with abundant recrystallised bivalves.
228stone 228 Lumachella orientale, from Henchir Kasbat (the ancient Thuburbo Maius), Tunisia Fossiliferous biosparite limestone. A lumachelle of rolled, predominantly bivalve debris, recrystallised in part, and with subsidiary other skeletal debris.
12stone 12 Palombino antico, probably from Turkey, but perhaps from the Apennines of Italy Biosparite limestone with abundant bivalve fragments. It fluoresces yellow strongly under longwave ultraviolet light.
229stone 229 Lumachella orientale, from Henchir Kasbat (the ancient Thuburbo Maius), Tunisia Fossiliferous biosparite limestone. A lumachelle of rolled, predominantly bivalve debris, recrystallized in part, and with subsidiary other skeletal debris.
45stone 45 Marmo giallo e turchino di Mizzolle, from Mizolle, Val Pantena, Verona, Veneto, Italy Burrowed limestone. The grey matrix is a fossiliferous grain-supported bio-pel micrite limestone. The yellow burrow-filling has subhedral rhombic calcite crystals, appearing peloidal in places. It has stylolites and stylolitised pellet contacts.
38stone 38 Marmo scuro di Trento, from Trent, Trentino-Alto Adige, Italy (not confirmed) Biomicrite limestone densely packed with tests of foraminifera and other plankton, with calcite-filled veins and (on the sides of the specimen) dendrites of black manganese oxides. The whole stone has ferruginous staining constrained by the fracture pattern.
67stone 67 Marmo rosso di Prodo, from Prodo, or more probably Colonnetta di Prodo, Terni, Umbria, Italy Limestone. A fossiliferous biomicrite crowded with planktonic forams and calcispheres. Disrupted banding marks a layer that has transported and re-sedimented, probably the result of slumping. Fractures are calcite-filled.
16stone 16 Lithographic limestone, pietra litografica, from the southern Franconian Alb (probably quarries at Solnhofen or Kelheim), Bavaria, Germany Upper Jurassic limestone from the Solnhofen Platternkalk Formation. A fossiliferous biomicrite with scattered acicular bioclasts (probably sponge spicules).
232stone 232 Lumachella rosea, from Kairouan, Tunisia Middle Eocene nummulitic limestone. A fossiliferous biomicrite with abundant nummulites, subsidiary sponge, mollusc and serpulid debris.
504stone 504 Marmo venato di Tivoli, from Tivoli, Roma, Lazio, Italy Biomicrite with scattered dendritic manganese oxides. Side of specimen shows slumping and intraclasts in stylolitised shelly limestone. Note subsequent extensive fracturing, the fractures calcite-filled.
182stone 182 Rosa corallo, from Verona, Veneto, Italy; Torri del Benaco is doubtful. Limestone from the Scaglia Rossa Formation (Cretaceous-Eocene). A fossiliferous biomicrite with abundant tiny bioclasts and large intraclasts floating in matrix, probably a debris flow. Note the conspicuous stylolites.
46stone 46 Marmo giallo di Lubiara, from Lubiara, Caprino Veronese, Verona, Veneto, Italy Biomicrite limestone with scattered small bioclasts, slender fractures and stylolites. Sparse large intraclasts suggest it is from a debris-flow deposit.
555stone 555 Arenaria di Siena, from Siena, Tuscany, Italy Bioclastic limestone with microspar matrix. It has white algal grains and spar-filled anastomising vugs, probably incipient birds-eyes.
75stone 75 Marmo nero di Trapani, perhaps marmo nero di Erice from Monte San Giuliano; Trapani, Sicily, Italy Bioclastic limestone with abundant black recrystallised relics of microfossils. The side of the specimen shows the black coloration is constrained by calcite-filled microfractures giving the effect of pietra paesina (ruin marble).
250stone 250 Marmo della Gaetta, from Gaetta, Lake Como, Como, Lombardy, Italy; or more probably from the area north of Verona, Veneto, Italy. Bioclast-rich microsparite limestone with gastropods and bivalves; perhaps originally nodular/intraclastic/conglomeritic, now much brecciated. It has calcite-filled fractures and stylolites.
338stone 338 Marmo rosa di Stalavena, from Stalavena di Grezzana, Val Pantena, Verona, Veneto, Italy Not a travertine and so incorrectly classified as alabaster. This is a bioclast-rich burrowed micritic limestone with stylolites and spar-filled fractures.
73stone 73 probably marmo nero di Roverè, perhaps from Prun, but more likely Roverè di Velo, Verona, Veneto, Italy Bituminous bioclastic limestone. The sides of the specimen show it has a distinctly laminar texture.
253stone 253 'Lumachella di Fuligno', almost certainly not from Foligno, Perugia, Umbria, Italy Fossiliferous biocalcarenite limestone with abundant recrystallised scleractinian coral, molluscan and other grains. Grain contacts are pervasively sutured. Note also stylolites and spar-filled fractures.
556stone 556 Arenaria di Viggiù, from Viggiù, Varese, Lombardy, Italy Bioturbated fine biocalcarenite. The grains are predominantly echinoderm, probably crinoidal. It has solution seams/incipient stylolites.
554stone 554 Arenaria di Brianza, from the Brianza area, Lombardy, Italy Fine-grained biocalcarenite with micritic/microspar matrix.
63stone 63 Porporina di villa Adriana, locality unknown Hematite-rich banded limestone with some colourless sparry calcite-filled veins, and abundant cavities which are filled with wax on polished surfaces. Probably extensively recrystallised.
981stone 981 Sicilian jasper, diaspro di Sicilia, from Sicily, Italy Banded jasper, perhaps originally oolitic ironstone or limestone. Cavities and fractures are filled with colourless quartz.
376stone 376 Derbyshire 'alabaster', from Middleton-by-Wirksworth, Derbyshire, England; perhaps the Bondog-Hole mine Very pure colourless banded speleothem calcite with a small area of the host Carboniferous Limestone.
64stone 64 Marmo rosso di Sabina; Sabina, Umbria, Italy is not confirmed as the locality. A laminated limestone containing bioclasts and peloids (pellet-sized grains) in a sparite matrix.
373stone 373 Derbyshire rosewood marble, from Nettler Dale, near Ashford, Derbyshire, England Limestone; a Carboniferous laminated algal biomicrite. Note synsedimentary brecciation of algal laminites.
372stone 372 Derbyshire rosewood marble, from Nettler Dale, near Ashford, Derbyshire, England Limestone; a Carboniferous laminated algal biomicrite.
513stone 513 Palombino venato, locality unknown Algal limestone.
960stone 960 Pietra paesina, from Civitavecchia, Rome, Lazio, Italy Heavily fractured micritic limestone with sparry calcite-filled fractures. Ferruginous staining is constrained by the fractures and shows banded Liesegang rings, together giving the 'paesina' effect. It is almost certainly from the Cretaceous to Eocene Alberese Formation.
959stone 959 Pietra paesina, from Civitavecchia, Rome, Lazio, Italy Heavily fractured micritic limestone with sparry calcite-filled fractures and stylolites. Ferruginous staining is constrained by the fractures giving the 'paesina' effect. It is almost certainly from the Cretaceous to Eocene Alberese Formation.
958stone 958 Pietra paesina, from Civitavecchia, Rome, Lazio, Italy Heavily fractured micritic limestone with abundant tiny bioclasts, stylolites and orange and white sparry calcite-filled fractures. Ferruginous staining is constrained by sealed microfractures giving the 'paesina' effect. There are minor dendrites of manganese oxides. It is almost certainly from the Cretaceous to Eocene Alberese Formation.
957stone 957 Pietra paesina, from Trent, Trentino-Alto Adige, Italy Heavily fractured micritic limestone with abundant tiny bioclasts. Ferruginous staining shows typical Liesegang rings, and is constrained by sealed microfractures giving the 'paesina' effect seen best on sides of sample. Dendritic manganese oxides emanate from fractures. It is almost certainly from the Cretaceous to Eocene Alberese Formation.
690stone 690 Breccia di Sicilia, from Sicily, Italy Conglomerate, with igneous clasts showing altered margins, in limestone matrix with well-preserved microfauna.
74stone 74 Marmo nero di Torino from the province of Turin, or more probably Portoro from the Porto Venere area, Liguria, Italy. Black fine-grained limestone with a few thin yellow/white veins, and with distinctive black (organic matter?) veining.
Page 9 of 10, showing 801 - 900 of 1000 stones.
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