Corsi Collection of Decorative Stones

Page 2 of 4, showing 101 - 200 of 326 stones.
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OUMNH number Name and quarry location Geological description
OUMNH number Name and quarry location Geological description
413stone 413 Breccia gialla, locality unknown Polymict limestone breccia/conglomerate.
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.
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.
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.
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.
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 .
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.
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.
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.
411stone 411 Breccia dorata, from Siena, Tuscany, Italy Limestone breccia/conglomerate with pervasive suturing and solution-modification of clast boundaries.
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.
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.
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.
44stone 44 'Marmo giallo di Sentro', perhaps from Centro Tregnago, Verona, Veneto, Italy Brecciated fine-grained limestone with calcite-filled fractures; heavily stylolitised.
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.
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.
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.
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.
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.
430stone 430 Pomorol di S.Giorgio, from San Giorgio, Verona, Veneto, Italy Brecciated, stylolitised, biomicrite limestone with scattered intraclasts.
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.
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.
213stone 213 Colombino della Punta Pina, from Punta Pina, island of Elba, Livorno, Tuscany, Italy Brecciated, micritic limestone with extensive calcite-filled fractures.
172stone 172 Diaspro tenero di Sicilia, from Trapani, Sicily, Italy Limestone. Syn-sedimentary limestone breccia cut by a neptunian dyke.
170stone 170 Diaspro tenero di Sicilia, from River Verdura or Sosio, perhaps at San Carlo, Palermo, Sicily, Italy Limestone breccia. A syn-sedimentary breccia with matrix of pink Jurassic-Cretaceous pelagic limestone.
462stone 462 Breccia di Cori, from Cori, Latina, Lazio, Italy Intraformational limestone breccia of peloidal limestone (fragments of Triassic-Jurassic limestones) in pink Jurassic-Cretaceous pelagic limestone matrix.
448stone 448 Broccatellone, from Verzirhan, Bilecik,Turkey Polymict limestone breccia.
474stone 474 breccia di Taormina, from Taormina, Messina, Sicily, Italy; or perhaps breccia della Villa Casali, locality unknown Polymict breccia of limestone clasts in red micritic matrix.
409stone 409 Semesanto, from Isle of Skyros, Sporades, Central Greece Polymict sheared limestone breccia in clay-rich matrix.
109stone 109 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia of poorly sorted mixed limestone clasts, some green and chlorite-rich, in a grey matrix.
909stone 909 probably Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Sheared, recrystallised limestone breccia with some relic crinoid debris and abundant stylolites.
412stone 412 Breccia dorata, from Siena, Tuscany, Italy Limestone breccia with solution-modified fractures
460stone 460 Breccia de'Colli Euganei, probably from Verona or Vicenza regions, Veneto Italy Brecciated limestone with pervasive stylolites.
162stone 162 Diaspro tenero di Sicilia, from Castellammare del Golfo, Trapani, Sicily, Italy Syn-sedimentary breccia with fragments of Triassic-Jurassic limestone (dark) and pink Jurassic-Cretaceous limestone.
163stone 163 Diaspro tenero di Sicilia, from Capo Gallo, Palermo, Sicily, Italy Syn-sedimentary breccia with fragments of Triassic-Jurassic limestone (dark) and pink Jurassic-Cretaceous limestone.
111stone 111 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia with abundant crinoid and other fossil debris, in a dark grey matrix. The specimen is crossed by a white calcite vein.
88stone 88 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece White limestone with relics of bioclasts, spar filled veins and a few yellowish iron oxide-stained veins and stylolites. It is likely to be part of a large clast from a breccia.
176stone 176 Diaspro tenero di Sicilia, libeccio, from Rocca delli Panni, Sicily, Italy Syn-sedimentary limestone breccia with voids filled by submarine cement.
455stone 455 Mischio di Casale, from Casale, Verona, Veneto, Italy, is doubtful Limestone breccia-conglomerate with scattered large bioclasts of marine organisms in a creamy microcrystalline matrix containing forams. Note extensive suturing of grain boundaries, and calcite filled fractures.
206stone 206 Diaspro tenero di Sicilia, from Sicily, Italy Limestone; fossiliferous burrowed micrite/microsparite with red burrow infilling, perhaps part of a hard ground. Note the calcite-filled fractures and solution seams.
439stone 439 Breccia rossa di Trapani, rosso di Castellammare, from Castellammare, Trapani, Sicily, Italy Jurassic-Cretaceous burrowed red, nodular micritic pelagic limestone with abundant thin-shelled bivalve (Bositra) debris. Note solution seams.
464stone 464 Broccatello di Malcesine, nembro rosato, from Malcesine, Lake Garda, Verona, Veneto, Italy Upper Jurassic limestone; a burrowed nodular biomicrite crowded with skeletal grains but microbreccia-conglomerate in places. Note the extersitu stylolite development.
375stone 375 Derbyshire 'alabaster', Poole's Cavern 'alabaster', from Poole's Cavern, near Buxton, Derbyshire, England Speleothem calcite with irregular aggregates of metallic grey galena crystals cementing brecciated Carboniferous Limestone. The limestone contains abundant crinoids, bryozoa and other bioclasts.
178stone 178 Diaspro tenero di Sicilia, from Taormina, Messina, Sicily, Italy A fractured Rosso ammonitico red limestone with prominent stromatactis cavities filled with grey and white calcite. It has stylolites and white calcite-filled veins.
419stone 419 Breccia gialla e nera, from Portovenere, La Spezia, Liguria, Italy Black and grey limestone conglomerate, with a yellow ferruginous calcite matrix.
414stone 414 Occhio di pernice, locality unknown Limestone conglomerate. Clasts are in part intraclast-rich; this may be debris flow material. Note extensive stylolites and calcite-filled fractures
449stone 449 Breccia di Brianza, from the area of Brianza , Lombardy, Italy Fine-grained limestone conglomerate. Clasts include ooliths and various beige, cream and white limestones, in a sparry calcite matrix.
426stone 426 Breccia di Arbe, breccia a semesanto di Dalmazia, from Island of Rab, Primorje-Gorski, Croatia Polymict conglomerate of limestone clasts.
486stone 486 Breccia di Pistoja, from Pistoia, Tuscany, Italy Fractured, solution-modified, polymict limestone conglomerate. The micritic matrix contains large benthic forams. The sample has calcite-filled fractures and some dendritic pyrolusite in both clasts and matrix .
453stone 453 Breccia del Giannicolo, from Rome, Lazio, Italy Poorly sorted limestone conglomerate with extensive styolitic suturing of clast boundaries. The matrix is micritic with less forams than no. 454. It has some spar-cemented intraclasts and a few dark grey clasts. Some dendritic manganese oxides are evident on the sides of the specimen.
454stone 454 Breccia del Giannicolo, from Rome, Lazio, Italy Poorly sorted limestone conglomerate with extensive styolitic suturing of clast boundaries. The matrix is micritic with abundant forams. Yellow areas are filler.
398stone 398 Breccia traccagnina, locality unknown Polymict limestone conglomerate.
402stone 402 Breccia traccagnina, breccia Capitolina, locality unknown Polymict limestone conglomerate.
403stone 403 Breccia traccagnina, brecha da Arrábida, from Siera di Arrábida, Setúbal, Portugal Polymict limestone conglomerate
481stone 481 Breccia traccagnina di Vitulano, from Vitulano, Benevento, Campania, Italy Polymict predominantly limestone conglomerate.
946stone 946 Breccia traccagnina, breccia Capitolina, locality unknown Polymict limestone conglomerate.
692stone 692 Breccia di Roma, from Rome, Lazio, Italy Polymict conglomerate of diverse limestones and minor chert/chalcedony clasts, fairly well sorted and elongate with some alignment. Matrix is extensively spotted with Fe/Mn, with dendrites around rims of some clasts.
400stone 400 Breccia traccagnina, locality unknown Polymict limestone conglomerate; heavily altered clast boundaries
427stone 427 Breccia di Terni, from Terni, Umbria, Italy Polymict limestone conglomerate, clasts mainly of pink or creamy white pelagic limestone, some rimmed with dendritic manganese oxides. It also contains clasts of coarsely crystalline white calcite.
415stone 415 Breccia, locality unknown Polymict limestone conglomerate. Matrix is a fossiliferous micrite with minor dendritic Mn-oxides. Some clasts have goethitic rims. Note calcite-filled voids and calcite-filled fractures. Red areas are filler/polishing compound.
425stone 425 Breccia di Bologna, from Bologna, Emilia-Romagna, Italy Polymict conglomerate with microspar matrix. Clasts are predominantly of limestone; some are a jasper-like pseudobreccia in appearance.
682stone 682 Pudingo antico, locality unknown Polymict conglomerate with clasts of quartz, chert, silicified limestone, and dolomitic limestone. The matrix is calcareous.
689stone 689 Breccia delle Alpi, from the Alps Polymict conglomerate with clasts of quartz, chert and silicified limestone.
684stone 684 Breccia delle Alpi, possibly from the Apuan Alps, Italy Polymict conglomerate; most clasts are silicified red limestone and rock crystal, a small proportion are calcareous or dolomitic. It is possibly from the Triassic Verrucano Formation.
695stone 695 Breccia di Perugia, from Perugia, Umbria, Italy Polymict conglomerate with predominantly limestone clasts. Note sutured/styloliitised clast boundaries. Common larger benthic forams, scarcer calcareous algae. Creamy-yellow micritic matrix with microfossils.
408stone 408 Breccia della Villa Casali, locality unknown Polymict limestone conglomerate. Note complex sutured solution-modified clast contacts. Contains shell fragments among clasts.
399stone 399 Breccia corallina giallastra from Verzirhan, Bilecik,Turkey or breccia Godoy Polymict limestone conglomerate. Clast boundaries and contacts sutured. Note stylolites and extensive calcite-filled fractures.
401stone 401 Breccia traccagnina, locality unknown Polymict limestone conglomerate - perhaps a debris flow.
693stone 693 Breccia di Roma, from Rome, Lazio, Italy Polymict conglomerate with extensively fractured clasts. These are predominantly limestone; a few are red in colour. Some show 'paesination' - microfracture constrained patterns of ironstaining like pietra paesina, and these also have a rich microfauna. The matrix is calcarenite.
694stone 694 Breccia di Roma, from Rome, Lazio, Italy Polymict conglomerate of predominantly limestone pebbles, with abundant green silicate grains in matrix. Green silicate grains are subhedral-euhedral crystals Well-rounded clasts have heavily altered rims. Matrix is white micrite/microcrystalline calcite. Note brown is filler.
410stone 410 Breccia di Casteldaccia, from Calvario, near Casteldaccia, Palermo, Sicily Polymict limestone conglomerate with pervasive sutured solution-modified clast boundaries.
697stone 697 Breccia di Roma, from Rome, Lazio, Italy Polymict conglomerate. Clasts are predominantly limestone, but some are dolomitic and some siliceous. The matrix is calcarenite. Some brown is goethite, but some is filler/polishing compound.
696stone 696 Breccia di Roma, from Rome, Lazio, Italy Calcarenite-polymict limestone conglomerate with clear spar matrix. Some darker grains are ?volcanic??, some is dendritic Mn; but also some is brown filler.
952stone 952 Breccia di Siena, from Siena, Tuscany, Italy Sheared polymict limestone conglomerate. The shearing may have been synsedimentary: Solution seams and stylolites are pervasive. Perhaps a sheared debris flow.
482stone 482 Breccia traccagnina di Monte Gargano, from Monte Gargano promontory, Foggia, Puglia, Italy Polymict limestone conglomerate with limestone matrix. It has stylolitised, solution-modified contacts between clasts.
951stone 951 Breccia bigia, locality unknown Well-sorted polymict limestone conglomerate.
496stone 496 Breccia degli Appennini, from the Apennines, Italy Debris flow; containing poorly sorted matrix-supported white limestone and other intraclasts in a pink limestone matrix. Sample has calcite-filled fractures.
468stone 468 Breccia degli Appennini, from Apennines, Italy Limestone. A debris-flow deposit of bio- and intraclast-rich biomicrite. Stylolites and manganese oxide dendrites are present.
834stone 834 perhaps africano, from Locality unknown; if africano, then from Sigacik (ancient Teos), Izmir Province, Turkey A metamorphosed breccia of dark dolomitic? limestone containing bioclasts such as forams, echinoderm spines and perhaps crinoid ossicles. There are also scattered pyrite crystals and some reddish intraclasts. The matrix is coarsely crystalline pink calcite. There is some chlorite development around clasts. Note the iron-stained calcite-filled fracture.
397stone 397 Breccia traccagnina, locality unknown Polymict limestone, and dolomite breccia/conglomerate, heavily fractured with sutured, solution-modified clast boundaries and stylolites.
395stone 395 Breccia traccagnina, locality unknown Polymict limestone and dolomite conglomerate with solution-modified clast boundaries and stylolites.
168stone 168 Diaspro tenero di Sicilia, from Taormina, Messina, Sicily, Italy Fine-grained red limestone with synsedimentary slump folds.
84stone 84 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece Breccia of poorly-sorted fine-grained pink and cream-coloured limestone clasts in a dark red hematite-bearing micritic matrix. The limestone clasts have a few bioclasts and stylolites. Late stage white calcite-filled fractures cross the specimen.
82stone 82 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece A breccia of pink micritic limestone clasts with intraclasts of a pink/grey breccia. A little dark red-brown hematitic matrix is visible in a few places. Abundant stylolites cross the stone and later fractures are filled with white calcite. White lines are scratches.
87stone 87 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece Limestone breccia. The clasts are pink micritic limestone with pink/grey intraclasts. The matrix is dark red-brown, hematitic. Abundant stylolites cross the stone and later fractures are filled with white calcite.
78stone 78 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece Fine-grained compact limestone breccia. Heavily fractured, the later fractures are filled with white calcite. Some mollusc shell fragments are present.
193stone 193 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece Fine-grained compact limestone breccia with stylolites and stylolitic clast boundaries. Some relic shell fragments are evident. Fractures are filled with white calcite.
81stone 81 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece Fine-grained compact limestone, partially recrystallised, with abundant stylolites.
79stone 79 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece Fine-grained compact limestone, partially recrystallised. Abundant stylolites containing red iron oxides give a reticulated (net-like) appearance.
24stone 24 Giallo antico, from Chemtou, Tunisia Fine-grained limestone, extensively recrystallised through diagenesis but showing relics of a peloidal structure. It has slender ferruginous veins and small black manganese oxide dendrites. The sides of the specimen show that it is brecciated and cemented by a white sparry calcite matrix.
436stone 436 Semesanto di Milano, from Milan, Lombardy, Italy Lower Jurassic limestone. A crinoidal biosparite, the red crinoid debris overgrown with white calcite rims, and with coarse sparry calcite in the interstices.
208stone 208 Languedoc marble, from Caunes-Minervois, Carcassonne, Aude, France Devonian red limestone rich in crinoid debris, with prominent grey-white stromatactis and abundant stylolites.
487stone 487 Breccia di Casale, from Casale, Verona, Veneto, Italy Bioclastic limestone with large benthic foraminifera.
447stone 447 Breccia del Lago di Garda, from Lake Garda, and perhaps from Brentónico, Trentino, Trentino-Alto Adige, Italy Limestone; a burrowed nodular biomicrite crowded with skeletal grains, with extersitu stylolite development. Dark brown area is filler.
472stone 472 perhaps Chiampo, from Ponte Salaro, near Rome is doubtful; this is more likely to be from the area of Chiampo, in Vicenza. Limestone; a foraminiferal ruddite with abundant nummulites and other benthic forams, algal grains, mollusc fragments and limestone intraclasts. It has extensive solution of grain boundaries, creamy micritic cement containing microfossils. Extensive use has been made of an orange filler.
442stone 442 Breccia di Mastro Simone, from S.Angelo Romano, Roma, Lazio, Italy Limestone; a burrowed nodular biopel-micrite, perhaps from the Jurassic Rosso ammonitico formation.
Page 2 of 4, showing 101 - 200 of 326 stones.
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