Corsi Collection of Decorative Stones

Page 3 of 4, showing 201 - 300 of 326 stones.
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OUMNH number Name and quarry location Geological description
OUMNH number Name and quarry location Geological description
115stone 115 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia of pink somewhat fractured clasts in a black matrix. Note the calcite-filled vein following the clast margin.
174stone 174 Diaspro tenero di Sicilia, libeccio, from Trapani, Sicily, Italy Syn-sedimentary slump breccia with voids infilled by submarine cement. Note pervasive calcite-filled fractures.
430stone 430 Pomorol di S.Giorgio, from San Giorgio, Verona, Veneto, Italy Brecciated, stylolitised, biomicrite limestone with scattered intraclasts.
476stone 476 Breccia di Prato, from Prato, Florence, Tuscany, Italy (unlikely) Poorly sorted polymict limestone breccia with many fossiliferous clasts. Clasts have green chloritic rims.
41stone 41 Giallo di Verona, Verona yellow, from Torbe, or more probably Torri del Benaco, Verona, Veneto, Italy Brecciated fossiliferous biomicrite limestone crowded with large and small bioclasts.
116stone 116 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia with abundant crinoid and other fossil debris, in a dark grey, partly oxidised to brown, matrix.
905stone 905 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece Fine-grained compact limestone breccia of pink clasts. There are abundant stylolites, and later fractures are filled with white calcite.
77stone 77 Portasanta, from north west of Chora, Island of Chíos, North Aegean, Greece Large clasts of pale pink compact fine-grained limestone showing a reticulated network of stylolites. It is part of a breccia, and small areas of salmon-pink micritic matrix can be seen.
44stone 44 'Marmo giallo di Sentro', perhaps from Centro Tregnago, Verona, Veneto, Italy Brecciated fine-grained limestone with calcite-filled fractures; heavily stylolitised.
514stone 514 Argilla di Tivoli, from Tivoli, Roma, Lazio, Italy Brecciated fine-grained limestone. A fossiliferous biomicrite with scattered bioclasts (calcispheres or radiolaria). Fractures are calcite-filled.
43stone 43 Pomorolo di Mizzolle, from Mizolle, Val Pantena, Verona, Veneto, Italy Brecciated fine-grained limestone crowded with rhombohedral microcrystals of calcite. It has prominent stylolites. Dark brown areas are wax filler.
521stone 521 Broccatello di Sentro, from the Verona area, Veneto, Italy. 'Sentro' is perhaps Centro. Brecciated limestone containing scattered yellow euhedral rhombs of calcite, and dendritic manganese oxides.
411stone 411 Breccia dorata, from Siena, Tuscany, Italy Limestone breccia/conglomerate with pervasive suturing and solution-modification of clast boundaries.
914stone 914 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Tectonic breccia-conglomerate of poorly-sorted largely recrystallised limestone clasts in a sparry calcite matrix coloured dark brown by included ferruginous matter (oxidised chlorite). It has abundant stylolites, some are white, other iron-stained orange-brown. Fractures are filled with calcite.
107stone 107 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia or conglomerate of poorly sorted limestone clasts in a black matrix. This specimen is crossed by white quartz veins.
113stone 113 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia or conglomerate of poorly sorted chlorite-rich limestone clasts, some with stylotised clast boundaries.
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.
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.
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.
373stone 373 Derbyshire rosewood marble, from Nettler Dale, near Ashford, Derbyshire, England Limestone; a Carboniferous laminated algal biomicrite. Note synsedimentary brecciation of algal laminites.
690stone 690 Breccia di Sicilia, from Sicily, Italy Conglomerate, with igneous clasts showing altered margins, in limestone matrix with well-preserved microfauna.
622stone 622 Pietra del Vesuvio, from Mt. Vesuvius, Naples, Campania, Italy Brecciated meta-calcilutite with a few spherical two-phase calcite-filled cavities, and with limonitised siliceous veining. Note brown crystals of ?siderite filling cavities on underside of specimen.
122stone 122 Fior di pesco (fior di persico), from Eretria, Euboea, Central Greece Hematite-rich calcite marble, brecciated, with white calcite-filled veins. Triassic age.
118stone 118 Fior di pesco (fior di persico), from Eretria, Euboea, Central Greece A marble tectonite of Triassic age. A sheared, deformed calcite marble breccia.
121stone 121 Fior di pesco (fior di persico), from Eretria, Euboea, Central Greece A slumped/sheared breccia of Triassic age, with clasts of laminated marble, cut by calcite-filled fractures and late-stage stylolites.
431stone 431 Breccia pavonazzetto, from Iscehisar (Synnada), Afyonkarahisar Province, Turkey Marble breccia; a heavily stylolitised, metamorphosed polymict limestone conglomerate, probably resedimented.
565stone 565 Verde antico, from Larissa, Thessaly, Greece A breccia of serpentinite, schistose calc-silicate and crystalline marble clasts in a lime-green serpentinite matrix.
575stone 575 Serpentina di Valsabbia, from Valsabbia, Brescia, Lombardy, Italy Breccia with clasts mainly of serpentinite/ophicalcite, a few of marble.
962stone 962 Verde antico, from Larissa, Thessaly, Greece Breccia with clasts mainly of serpentinite/ophicalcite, and a few of marble.
969stone 969 Breccia verde d'Egitto, breccia universale, from Wadi Hammamat, Eastern Desert, Egypt Metaconglomerate of metamorphic and igneous clasts (pink granite, banded tuff, serpentinite etc) in an epidotised matrix containing chlorite and abundant quartz grains. Cf no.679.
569stone 569 Serpentina verde di Varallo, from Varallo, Novara, Piedmont, Italy Brecciated serpentinite-marble with light to dark green fragmented serpentinite clasts in fine-grained marble and vein calcite matrix. Serpentinite has local concentrations of fine-grained oxide mineral.
594stone 594 Serpentina verde di Genova, from Genoa, Liguria, Italy Brecciated serpentinite. Broken clasts of pale green serpentine, platey 'striped' dark green serpentine and brown/white marble in a matrix of brown and white calcite.
963stone 963 Serpentina di Santa Caterina, from Santa Caterina, island of Elba, Livorno, Tuscany, Italy Serpentinite, finely brecciated and veined with calcite.
137stone 137 Marmo bianco e giallo, breccia nuvolata, locality unknown. A fractured, stylolitised recrystallised limestone or marble, with Liesegang rings of ferruginous colouring.
688stone 688 Breccia delle Alpi, from the Alps Polymict conglomerate with clasts of quartz, chert and silicified limestone. There is extensive intergrowth suturing about some marble/limestone clasts.
451stone 451 Breccia di Lugano, from Lake Lugano, Varese, Lombardy, Italy Slumped (or sheared) limestone/marble breccia, with red and metallic grey hematite, and flecks of green chlorite and yellow-brown goethite.
910stone 910 perhaps breccia corallina, from Verzirhan, Bilecik,Turkey Heavily sheared and recrystallised limestone breccia, almost entirely altered to fine-grained marble.
417stone 417 Breccia pavonazza, locality unknown Polymict limestone/marble breccia-conglomerate with red, calcareous mudstone/lateritic matrix, and stylolites. Some residual fossils appear to be present.
949stone 949 Breccia Medicea or 'Africano', from Seravezza, Lucca, Tuscany, Italy Tectonised polymict breccia-conglomerate of limestone and marble clasts with solution-modified clast contacts.
947stone 947 Breccia di Settebasi, from Isle of Skyros, Sporades, Central Greece Sheared limestone conglomerate, metamorphosed to marble.
566stone 566 Verde antico, from Larissa, Thessaly, Greece Breccia with clasts mainly of serpentinite/ophicalcite, a few of marble; extensive scattered crystals of oxide minerals, in a serpentine and calcite matrix. Heavily fractured, many fractures are filled with cross-fibres of chrysotile serpentine.
429stone 429 Corallina di Carrara, from Carrara, Massa e Carrara, Tuscany, Italy Marble breccia, medium-grained calcite marble clasts in a granular ferruginous calcite matrix. It is heavily fractured, the fractures filled with calcite.
491stone 491 Breccia di Sarzana, from Sarzana, near Seravezza, Lucca, Tuscany, Italy; or perhaps breccia di Seravezza, from Seravezza, Lucca, Tuscany, Italy Marble breccia with calcite filled fractures.
416stone 416 Probably breccia di Sciro from Skyros, Sporades, Central Greece A nodular or conglomeratic limestone, sheared and metamorphosed to a marble breccia, with extensive clay-rich hematitic matrix and deformed calcite veins. Note extensive late-stage solution seamed stylolite development.
97stone 97 Cipollino rosso, from Kiyi Kislacik, Milas, Mugla Province, Turkey A fine to medium-grained folded banded calcite marble, some bands rich in red hematite, others are coloured by grey graphite. A weakly metamorphosed impure limestone.
95stone 95 Cipollino rosso, from Kiyi Kislacik, Milas, Mugla Province, Turkey Fine to medium-grained folded impure limestone or calcite marble, some bands rich in red hematite.
99stone 99 Marmo Greco scritto from Capo de Garde, Annaba (Hippo Regius), Algeria A deformed, medium to coarse-grained calcite marble. A tectonite showing linear shear fabric. The dark grey graphite-rich zones result from the deformation of a breccia or vein system rather than a colour-banded rock.
157stone 157 Bardiglio, from Carrara, Massa e Carrara, Tuscany, Italy Deformed fine- to medium-grained calcite marble. Probably originally a breccia, now much stretched and flattened. Note the yellow ferruginous fill to stylolites.
156stone 156 Bardiglio, from Carrara, Massa e Carrara, Tuscany, Italy A folded sheared limestone breccia, now a calcite marble, some layers with either finely disseminated graphite or sulphide minerals. The grain-size of the calcite ranges from very coarse to fine.
440stone 440 Corallina di Pisa, from Pisa, Tuscany, Italy Breccia of fine-grained calcite marble clasts.
954stone 954 Fior di pesco Apuano from Stazzema, near Seravezza, Lucca, Tuscany, Italy Marble breccia; a sheared and tectonised limestone conglomerate.
955stone 955 Fior di pesco Apuano, from Stazzema, near Seravezza, Lucca, Tuscany, Italy Heavily fractured calcite marble breccia; a sheared and tectonised limestone conglomerate.
202stone 202 Fior di pesco Apuano, from Stazzema, near Seravezza, Lucca, Tuscany, Italy Marble breccia - a tectonised, sheared limestone, rich in hematite evident as red colouring and metallic grey grains.
479stone 479 Breccia di Seravezza from Seravezza, Lucca, Tuscany, Italy; or breccia di Siena, from Siena, Tuscany, Italy Sheared breccia of calcite marble clasts; ferruginous staining gives yellow colouration.
975stone 975 most probably breccia Medici di Siena, from Siena, Tuscany, Italy Fine-grained calcite marble breccia; a sheared and metamorphosed limestone breccia.
432stone 432 Breccia di Seravezza, from Seravezza; or perhaps breccia Medicea, from nearby Stazzema, Lucca, Tuscany, Italy Fine-grained calcite marble breccia.
477stone 477 Breccia di Seravezza, from Seravezza, Lucca, Tuscany, Italy Breccia of calcite marble clasts.
Page 3 of 4, showing 201 - 300 of 326 stones.
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