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
480stone 480 Breccia di Val di Radi, breccia di Siena, from Valle di Radi, Siena, Tuscany, Italy Sheared micritic limestone with plastic deformation features, weakly metamorphosed.
37stone 37 Broccatello di Siena, convent Siena, from Monte Arrenti near Sovicille, Siena, Italy Sheared limestone breccia with indications of soft sediment deformation fractures and extensive late-stage solution seams and stylolites.
680stone 680 Breccia frutticolosa, from Bourdeau, Savoie, France Conglomerate of diverse limestone clasts. Clasts have been burrowed by marine bivalves. Matrix is calcareous sandstone with ferromagnesium silicate grains of volcanic origin.
80stone 80 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece Partially recrystallised fine-grained compact limestone. Red and yellow iron oxides are concentrated in abundant stylolites, giving a reticulated (net-like) appearance.
471stone 471 Breccia di Ponte Salaro, from Ponte Salaro, near. Rome, Lazio, Italy Polymict limestone conglomerate with abundant nummulites, molluscan and other skeletal debris. It is extensively stylolitised. The micritic matrix has a rich microfauna. It has large areas of yellowish filler and brown areas around clasts are also filler.
437stone 437 Broccatellone, from Verzirhan, Bilecik,Turkey Polymict limestone breccia with spar-filled cavities. Note suturing/dissolution at clast boundaries.
461stone 461 probably diaspro tenero di Sicilia, from Sicily, Italy; but may be breccia d'Arzo, from Ticino, Switzerland. Polymict limestone breccia with variable amounts of orange iron-staining of micritic matrix.
234stone 234 Lumachella di Menaggio, from Menaggio, Como, Lombardy, Italy, or more likely a lumachella from Verona or Vicenza, Veneto, Italy. Fossiliferous pel-sparite limestone. It has abundant peloids and intraclasts of micritic limestone in a sparry matrix. Some layers are rich in bivalves, others are edgewise breccia together with fragments of laminated 'algal' cyanobacterial micrite.
164stone 164 Diaspro tenero di Sicilia, libeccio, from Bisaquino, Palermo, Sicily, Italy Slumped green pelagic limestone with perhaps submarine cement infills of neptunian dykes. Note stylolites. Less fractures than the similar specimen no.171.
187stone 187 Cottanello, from Cottanello, Rieti, Lazio, Italy Cretaceous-Eocene pelagic limestone. A brecciated biomicrite with abundant planktonic forams and calcispheres. Calcite-filled fractures and voids are cut by late stage red clay-filled stylolites.
466stone 466 Breccia del Largo di Garda, from Lake Garda, Lombardy, Italy Rosso ammonitico Middle-Upper Jurassic nodular pelagic limestone.
497stone 497 Rosso Verona, from Verona, Veneto, Italy Limestone from the Jurassic Rosso Ammonitico formation. A red nodular, micritic limestone with pervasive clay-coated solution seams.
457stone 457 Griotte, from the Haute Pyrénées, France Devonian hematite-rich fine-grained nodular limestone with extensive stylolite development. White areas are calcite spar-filled goniatites
494stone 494 Breccia di Napoli, from Naples, Campania, Italy Micritic limestone with pale grey dolomite nodules; calcite-filled fractures, and disseminated dendritic pyrolusite. Brown is filler.
165stone 165 Diaspro tenero di Sicilia, libeccio, from Castronuovo di Sicilia, Palermo, Sicily, Italy Limestone, perhaps resedimented; micrite/microsparite crowded with tiny bio/intraclasts and showing traces of grading in places. Note extensive solution seams, stylolites and calcite-filled fractures.
536stone 536 Diaspro tenero di Sicilia, tigrato di Trapani, from Custonaci, Trapani, Sicily, Italy Micritic or microsparite limestone containing a mass of Teredo or similar wood-boring bivalves; no evidence of the wood itself remeins.
525stone 525 Breccia di Modena, from Modena, Emilia-Romagna, Italy Micrite/microsparite limestone with abundant bioclasts, extensively fractured and stylolitised. Dendritic iron and manganese oxides are developed along stylolites.
526stone 526 Breccia di Modena, from Modena, Emilia-Romagna, Italy Micrite/microsparite limestone with abundant bioclasts, extensively bioturbated, fractured and stylolitised. Dendritic iron and manganese oxides are developed along stylolites.
537stone 537 Diaspro tenero di Sicilia, pietra topografica di Taormina, from Taormina, Messina, Sicily, Italy Micritic limestone or marl with diagenetic colouring. Veins and fractures are filled with calcite.
523stone 523 Pietra paesina, from Valdarno, Florence, Tuscany, Italy Micritic limestone or calcareous marl from the Cretaceous Alberese Formation, showing minor fracture constrained iron-staining, and areas of dendritic manganese oxides.
500stone 500 'Persichino di Romegiano', from Domegiano or Romagnano, Verona, Veneto, Italy Fossiliferous micritic limestone with debris probably of bivalves.
953stone 953 Breccia persichina, perhaps breccia Medicea, from Stazzema or Seravezza, Lucca, Tuscany, Italy Sheared, metamorphosed solution-modified limestone with stylolites, not entirely recrystallised to marble, fossils are still widely evident.
907stone 907 'Portasanta', locality unknown Sheared limestone/marble breccia with extensive stylolite development.
171stone 171 Diaspro tenero di Sicilia, libeccio, from Sicily, Italy; perhaps Cefalù area This appears to be submarine cement infills of neptunian dykes in a pelagic green limestone. It is heavily fractured.
470stone 470 Breccia degli Appennini, from Apennines, Italy Bioturbated fossiliferous biomicrite limestone. A packstone (grain-supported, the bioclasts in contact). It has fractures and stylolites.
469stone 469 Breccia degli Appennini, from Apennines, Italy Matrix-supported bio- and intraclast-rich biomicrite limestone. It is poorly sorted; possibly resedimented in a debris flow.
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.
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.
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.
487stone 487 Breccia di Casale, from Casale, Verona, Veneto, Italy Bioclastic limestone with large benthic foraminifera.
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.
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.
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.
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.
81stone 81 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece Fine-grained compact limestone, partially recrystallised, with abundant stylolites.
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.
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.
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.
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.
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.
168stone 168 Diaspro tenero di Sicilia, from Taormina, Messina, Sicily, Italy Fine-grained red limestone with synsedimentary slump folds.
395stone 395 Breccia traccagnina, locality unknown Polymict limestone and dolomite conglomerate with solution-modified clast boundaries and stylolites.
397stone 397 Breccia traccagnina, locality unknown Polymict limestone, and dolomite breccia/conglomerate, heavily fractured with sutured, solution-modified clast boundaries and stylolites.
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.
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.
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.
951stone 951 Breccia bigia, locality unknown Well-sorted polymict limestone conglomerate.
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.
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.
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.
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.
410stone 410 Breccia di Casteldaccia, from Calvario, near Casteldaccia, Palermo, Sicily Polymict limestone conglomerate with pervasive sutured solution-modified clast boundaries.
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.
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.
401stone 401 Breccia traccagnina, locality unknown Polymict limestone conglomerate - perhaps a debris flow.
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.
408stone 408 Breccia della Villa Casali, locality unknown Polymict limestone conglomerate. Note complex sutured solution-modified clast contacts. Contains shell fragments among clasts.
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.
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.
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.
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.
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.
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.
400stone 400 Breccia traccagnina, locality unknown Polymict limestone conglomerate; heavily altered clast boundaries
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.
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.
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.
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.
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 .
426stone 426 Breccia di Arbe, breccia a semesanto di Dalmazia, from Island of Rab, Primorje-Gorski, Croatia Polymict conglomerate of limestone clasts.
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.
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
419stone 419 Breccia gialla e nera, from Portovenere, La Spezia, Liguria, Italy Black and grey limestone conglomerate, with a yellow ferruginous calcite matrix.
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.
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.
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.
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.
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.
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.
176stone 176 Diaspro tenero di Sicilia, libeccio, from Rocca delli Panni, Sicily, Italy Syn-sedimentary limestone breccia with voids filled by submarine cement.
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.
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.
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.
460stone 460 Breccia de'Colli Euganei, probably from Verona or Vicenza regions, Veneto Italy Brecciated limestone with pervasive stylolites.
412stone 412 Breccia dorata, from Siena, Tuscany, Italy Limestone breccia with solution-modified fractures
909stone 909 probably Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Sheared, recrystallised limestone breccia with some relic crinoid debris and abundant stylolites.
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.
409stone 409 Semesanto, from Isle of Skyros, Sporades, Central Greece Polymict sheared limestone breccia in clay-rich matrix.
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.
448stone 448 Broccatellone, from Verzirhan, Bilecik,Turkey Polymict limestone breccia.
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.
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.
172stone 172 Diaspro tenero di Sicilia, from Trapani, Sicily, Italy Limestone. Syn-sedimentary limestone breccia cut by a neptunian dyke.
213stone 213 Colombino della Punta Pina, from Punta Pina, island of Elba, Livorno, Tuscany, Italy Brecciated, micritic limestone with extensive calcite-filled fractures.
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