Corsi Collection of Decorative Stones

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OUMNH number Name and quarry location Geological description
OUMNH number Name and quarry location Geological description
22stone 22 Giallo antico, from Chemtou, Tunisia Breccia of clasts of fine-grained limestone, largely recrystallised, in a ferruginous sparry micritic matrix.
23stone 23 Giallo antico, from Chemtou, Tunisia Breccia of clasts of fine-grained limestone, extensively recrystallised through diagenesis, in a ferruginous micritic matrix.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
81stone 81 Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece Fine-grained compact limestone, partially recrystallised, with abundant stylolites.
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.
83stone 83 'Portasanta', locality unknown Pink and grey coarse-grained marble; a metamorphosed limestone breccia with sutured clast boundaries and yellowish stylolites.
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.
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.
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.
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.
96stone 96 Cipollino rosso, from Kiyi Kislacik, Milas, Mugla Province, Turkey Fine to medium-grained folded impure limestone, now weakly metamorphosed to marble but the abundant debris suggesting it was in part a calcarenite.
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.
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.
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.
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.
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.
105stone 105 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia or conglomerate of small limestone clasts in a black matrix.
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.
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.
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.
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.
110stone 110 Africano, from Sigacik (ancient Teos), Izmir Province, Turkey Cretaceous tectonic breccia of poorly sorted limestone clasts, with stylolites and calcite-filled fractures
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.
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.
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.
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.
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.
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.
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.
119stone 119 Fior di pesco (fior di persico), from Eretria, Euboea, Central Greece Triassic tectonite. A sheared calcite marble breccia with late-stage calcite-filled veins and fractures.
120stone 120 Fior di pesco (fior di persico), from Eretria, Euboea, Central Greece Triassic tectonite. A sheared calcite marble breccia with late-stage calcite-filled veins and fractures.
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.
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.
123stone 123 Pavonazzetto, from Iscehisar (Synnada), Afyonkarahisar Province, Turkey Breccia-conglomerate of medium-grained white calcite marble clasts in a purple-red hematite-rich calcite matrix.
124stone 124 Pavonazzetto, from Iscehisar (Synnada), Afyonkarahisar Province, Turkey Breccia-conglomerate of medium-grained white calcite marble clasts in a purple-red hematite-rich calcite matrix.
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.
129stone 129 Bianco e nero di Portoferraio, from Portoferraio, island of Elba, Livorno, Tuscany, Italy Black limestone breccia with white calcite-filled veins and fractures, some en echelon and fibrous in places. Abundant stylolites and thin fractures are filled with yellow siderite.
132stone 132 most probably giallo e nero di Carrara, from Carrara, Massa e Carrara, Tuscany, Italy Finely brecciated weakly metamorphosed fine-grained limestone with veins of saccharoidal to fibrous calcite; some veins and stylolites coloured yellow by included goethite.
134stone 134 Portoro, from Portovenere, Liguria, Italy Breccia of black fine-grained weakly metamorphosed limestone with thin white calcite-filled veins, in a matrix of granular calcite coloured yellow by included goethite. Yellow stylolites are also prominent.
136stone 136 most probably giallo e nero di Carrara, from Carrara, Massa e Carrara, Tuscany, Italy Very poorly sorted breccia of black fine-grained weakly metamorphosed limestone in a white calcareous matrix; most of the stone is one larger clast which is crossed with white and ferruginous yellow veins. Note the yellow stylolites and stylolitic clast boundary.
137stone 137 Marmo bianco e giallo, breccia nuvolata, locality unknown. A fractured, stylolitised recrystallised limestone or marble, with Liesegang rings of ferruginous colouring.
153stone 153 Bardiglio, from the Apuan Alps, Tuscany, Italy; very likely from Carrara, Massa e Carrara. Brecciated and veined fine-grained calcite marble, the veins of white calcite are in places iron-stained yellow.
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.
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.
161stone 161 Diaspro tenero di Sicilia, libeccio, from Gibellina Vecchia, Trapani, Sicily, Italy Recrystallised limestone; originally probably a noular micrite/microspar, voids filled by sparry calcite. Buff-coloured area are filler.
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.
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.
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.
166stone 166 Diaspro tenero di Sicilia, libeccio, from Feudo Lalia, Alia, Palermo, Sicily, Italy Heavily fractured stylolitised birds-eye limestone with extensive fenestral fabric (calcite-filled vugs). Matrix is fossiliferous peloidal micrite/microspar.
167stone 167 Diaspro tenero di Sicilia, from Taormina, Messina, Sicily, Italy Synsedimentary limestone breccia.
168stone 168 Diaspro tenero di Sicilia, from Taormina, Messina, Sicily, Italy Fine-grained red limestone with synsedimentary slump folds.
169stone 169 Diaspro tenero di Sicilia, from Taormina, Messina, Sicily, Italy Re-sedimented limestone of the Rosso Ammonitico Formation. It is heavily stylolitised, and the colour is diagenetic.
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.
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.
172stone 172 Diaspro tenero di Sicilia, from Trapani, Sicily, Italy Limestone. Syn-sedimentary limestone breccia cut by a neptunian dyke.
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.
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.
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.
176stone 176 Diaspro tenero di Sicilia, libeccio, from Rocca delli Panni, Sicily, Italy Syn-sedimentary limestone breccia with voids filled by submarine cement.
177stone 177 Diaspro tenero di Sicilia, from Taormina, Messina, Sicily, Italy Slumped syn-sedimentary limestone breccia.
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.
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.
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.
196stone 196 Fior di persico, from Seravezza, Lucca, Tuscany, Italy Marble; a tectonised and sheared limestone breccia-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.
205stone 205 Fior di pesco (fior di persico), from Eretria, Euboea, Central Greece Triassic tectonite. A sheared marble breccia with late-stage calcite-filled veins and 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.
207stone 207 Breccia de' Gherardeschi, perhaps from Tuscany, Italy Limestone. A bio-pel micrite crowded with small intraclasts and shell debris. Anastomosing white material is calcite-replaced scleractinian coral. Note the extensive development of stylolites.
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.
213stone 213 Colombino della Punta Pina, from Punta Pina, island of Elba, Livorno, Tuscany, Italy Brecciated, micritic limestone with extensive calcite-filled fractures.
216stone 216 Broccatellone from Verzirhan, Bilecik,Turkey Limestone breccia-conglomerate with a ferruginous matrix. It has extensive post-depositional fracturing and calcite veining.
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.
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.
251stone 251 Travertino di Monte Catini, from Montecatini Terme, Pistoia, Tuscany, Italy Limestone, brown ferruginous in places, composed of brecciated travertine, algal fragments and other bioclasts. Cavities are mostly filled with sparry calcite.
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.
301stone 301 Alabastro fiorito, most probably from the Pamukkale area, Denizli, Turkey Compact banded travertine, brecciated in places, composed of fine- to medium-grained calcite with some orange-brown ferruginous bands. Abundant cavities contain greyish brown wax filler.
303stone 303 Alabastro a occhi, locality unknown Brecciated fine-grained compact banded travertine, with acicular and granular bands of calcite, some dark orange-brown coloured.
330stone 330 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. This appears to be a recrystallised brecciated compact banded travertine, composed of medium and coarse-grained granular calcite. It is coloured red by disseminated hematite.
371stone 371 Alabastro di Civitavecchia, from Civitavecchia, Rome, Lazio, Italy Breccia of travertine clasts, peloids, algal debris and fine-grained ferruginous detritus 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.
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.
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