Corsi Collection of Decorative Stones

Page 7 of 10, showing 601 - 700 of 1000 stones.
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OUMNH number Name and quarry location Geological description
OUMNH number Name and quarry location Geological description
539stone 539 Fluorite with galena and baryte, from Crich, Derbyshire, England Hydrothermal vein deposit of colourless to yellow iron-stained fluorite with galena and white crested baryte. Fluorite zoned with inclusions of marcasite/pyrite.
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.
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
916stone 916 Fior di pesco (fior di persico), from Eretria, Euboea, Central Greece Triassic tectonite; a sheared marble with late-stage fractures and solution seams. Dendritic manganese oxides emanate from fractures.
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.
955stone 955 Fior di pesco Apuano, from Stazzema, near Seravezza, Lucca, Tuscany, Italy Heavily fractured calcite marble breccia; a sheared and tectonised limestone conglomerate.
488stone 488 Fior di pesco Apuano, from Seravezza, Lucca, Tuscany, Italy Sheared marble breccia; perhaps a tectonised burrowed/nodular limestone.
954stone 954 Fior di pesco Apuano from Stazzema, near Seravezza, Lucca, Tuscany, Italy Marble breccia; a sheared and tectonised limestone conglomerate.
196stone 196 Fior di persico, from Seravezza, Lucca, Tuscany, Italy Marble; a tectonised and sheared limestone breccia-conglomerate.
294stone 294 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Medium-grained compact banded travertine, almost entirely composed of calcite, but note slender orange ferruginous bands often seen in this stone.
295stone 295 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Medium-grained compact banded travertine, almost entirely composed of calcite. Dark yellow-brown wax filler covers a very narrow ferruginous orange-brown band.
296stone 296 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Very coarse-grained compact banded travertine, almost entirely composed of calcite.
297stone 297 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Coarse-grained compact banded travertine, almost entirely composed of calcite.
298stone 298 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Medium-grained compact banded travertine, very pure and almost entirely composed of calcite.
299stone 299 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Medium-grained compact banded travertine, almost entirely composed of calcite; note slender orange ferruginous bands often seen in this stone. Grey band at one corner is a filler.
300stone 300 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Coarse-grained compact banded travertine, almost entirely composed of calcite; note slender orange ferruginous bands often seen in this stone.
312stone 312 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Fine to medium-grained compact banded travertine, almost entirely composed of calcite; note presence of slender orange ferruginous bands which are quite characteristic of the Egyptian stone.
313stone 313 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Fine to medium-grained compact banded travertine, almost entirely composed of calcite; note presence of slender orange ferruginous bands which are quite characteristic of the Egyptian stone.
323stone 323 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Fairly coarse-grained compact banded travertine, almost entirely composed of calcite; the slender orange ferruginous bands are often seen in the alabaster of the Nile valley.
325stone 325 Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. Very coarse-grained compact banded travertine; pure calcite apart from a few slender orange ferruginous bands.
65stone 65 Duke's red marble, from Newhaven, Derbyshire, England Recrystallised limestone of Lower Carboniferous age, containing abundant hematitic (and occasional limonitic) capillary inclusions dispersed in colourless calcite.
172stone 172 Diaspro tenero di Sicilia, from Trapani, Sicily, Italy Limestone. Syn-sedimentary limestone breccia cut by a neptunian dyke.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
176stone 176 Diaspro tenero di Sicilia, libeccio, from Rocca delli Panni, Sicily, Italy Syn-sedimentary limestone breccia with voids filled by submarine cement.
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.
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.
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.
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.
515stone 515 Diaspro di Volterraio, from Volterraio, island of Elba, Livorno, Tuscany, Italy A siliceous argillaceous deposit, perhaps a deep sea red clay.
756stone 756 Diaspro di Barga, from Barga, Lucca, Tuscany, Italy Milky white chalcedony with aggregates of red hematitic inclusions is cut by a rhombohedral network of fine calcite-filled fractures. Later chalcedony/colourless quartz replaces and is coloured by orange brown siderite. Secondary fractures are more sinuous and random. Dark brown areas are filler/polishing compound.
757stone 757 Diaspro di Barga, from Barga, Lucca, Tuscany, Italy A breccia of brown jaspery fragments in colourless crystalline quartz, in turn surrounded by white chalcedony, voids are filled with yellowish crystalline quartz.
751stone 751 Diaspro delle Alpi, from the Alps (not confirmed) Deformed ferruginous chert, markedly dense hematite-rich rock. Fractures are filled with greenish quartz. It might be associated with an ophiolite deposit.
753stone 753 Diaspro delle Alpi, from the Alps Green/brown banded jasper; a siliciified limestone or ironstone showing some recognisable tests of microfossils. It is crossed by many slender fractures filled with colourless quartz. Some stylolites and fractures are present. Chlorite inclusions colour the darkest bands.
979stone 979 Diaspro delle Alpi, from the Alps Poorly sorted breccio-conglomerate with very heavily fractured argillaceous siliceous clasts and a calcarenite cement. Brown is filler/polishing compound.
748stone 748 Diaspro della Tolfa, from Monti della Tolfa, near Civitavecchia, Rome, Lazio, Italy (not confirmed) Colourless fine-grained quartz with bands and scattered inclusions of pyrite. Brown areas are filler/polishing compound. Circular aggregates of quartz crystals visible on side of specimen resemble silicified coral.
749stone 749 Diaspro della Tolfa, from Monti della Tolfa, near Civitavecchia, Rome, Lazio, Italy (not confirmed) Quartzite composed of fine-grained granular quartz with flecks of brown siderite. Cavities contain buff-grey filler.
743stone 743 Diaspro antico, locality unknown Siliciified limestone or ironstone rich in relic shells of microfossils, and crossed by many slender fractures filled with colourless quartz. Some stylolites are present.
744stone 744 Diaspro antico, locality unknown Brecciated jasper with black-speckled clasts, many with full or partial rims of opaque white chalcedony. Colourless/white/grey agate matrix has patchy yellow speckling, euhedral crystal inclusions of goethite, and minor late-stage crystalline quartz. No sardonyx is present.
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.
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.
372stone 372 Derbyshire rosewood marble, from Nettler Dale, near Ashford, Derbyshire, England Limestone; a Carboniferous laminated algal biomicrite.
373stone 373 Derbyshire rosewood marble, from Nettler Dale, near Ashford, Derbyshire, England Limestone; a Carboniferous laminated algal biomicrite. Note synsedimentary brecciation of algal laminites.
285stone 285 Derbyshire fossil marble, from Sheldon Moore, Derbyshire, England Carboniferous Limestone; Lower Carboniferous crinoidal limestone with intraclasts, and with suturing of grain contacts.
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.
284stone 284 Derbyshire fossil marble, from Monyash, Derbyshire, England; perhaps Ricklow quarry. Carboniferous Limestone; Lower Carboniferous crinoidal limestone with spar cement cut by styoltized calcite-filled fractures.
288stone 288 Derbyshire fossil marble, from Miller's Dale, near Tideswell, Derbyshire, England Carboniferous Limestone; Lower Carboniferous coral (Lithostrotion) limestone
289stone 289 Derbyshire fossil marble, from Miller's Dale, near Tideswell, Derbyshire, England Carboniferous Limestone; Lower Carboniferous coral (Lithostrotion) limestone
287stone 287 Derbyshire fossil marble, from Derbyshire, England Carboniferous Limestone; Lower Carboniferous burrowed fossiliferous micrite crowded with skeletal debris: bryozoans, crinoids, benthic forminifera etc.
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.
199stone 199 Corso della mola di S.Ambrogio, from the province of Verona, Veneto, Italy; but probably not from Sant'Ambrogio di Valpolicella Limestone; a fossiliferous biomicrite crowded with bioclasts including planktonic forams. It is heavily stylolitised.
858stone 858 Corsican granite, granito di Corsica, from Corsica, France Pale grey quartz porphyry. White phenocrysts of feldspar with brownish alteration, glassy quartz and dark green uralitised amphibole in very fine-grained grey groundmass. Phenocrysts tend to form clusters.
864stone 864 Corsican granite, granito di Corsica, from Corsica, France Rather fine-grained granitic gneiss with slightly discordant coarse-granitoid veins (perhaps migmatite leucosomes) . It is variably reddened and cut by late fractures near which feldspars have been altered to white spots. Veins near corner of specimen are leek green.
869stone 869 Corsican granite, granito di Corsica, from Corsica, France Monzonite. Anhedral pink potash feldspar, greenish altered plagioclase and interstitial green amphibole.
887stone 887 Corsican granite, granito di Corsica, from Corsica, France Porphyritic microdiorite, probably plagioclase/biotite, over much of the specimen. Replacement of feldspar by aggregates of epidote is gradational in places, but sharp across a 1mm wide sheer zone or veinlet.
897stone 897 Corsican granite, granito di Corsica, from Corsica, France Granite gneiss with large porphyroblasts of potassium feldspar.
964stone 964 Corsica, from Corsica, France Metagabbro. A weakly metamorphosed gabbroic pegmatite, with green diopside (pyroxene) and brighter green aggregates of acicular actinolite-tremolite (amphibole) crystals. Some black grains of an oxide mineral are present.
440stone 440 Corallina di Pisa, from Pisa, Tuscany, Italy Breccia of fine-grained calcite marble clasts.
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.
212stone 212 Colombino roseo dell'Elba, from Punta Pina, island of Elba, Livorno, Tuscany, Italy Pink micritic limestone, altered to yellow where it is crossed by two generations of calcite-filled fractures. It has disseminated black manganese oxides and pyrite.
213stone 213 Colombino della Punta Pina, from Punta Pina, island of Elba, Livorno, Tuscany, Italy Brecciated, micritic limestone with extensive calcite-filled fractures.
911stone 911 Cipollino verde, locality unknown Heterogeneously deformed very coarse-grained metagabbro with ophitic texture locally preserved in lenticular low-strain domains.
89stone 89 Cipollino verde, from near Karystos, Euboea, Central Greece Folded medium-grained calcite marble with layers rich in green iron-bearing silicate minerals including chlorite and epidote.
90stone 90 Cipollino verde, from near Karystos, Euboea, Central Greece Folded medium-grained calcite marble with layers rich in green iron-bearing silicate minerals including chlorite and epidote.
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.
144stone 144 Cipollino nero, most probably from Mili, Karystos, Euboea, Central Greece Banded marble (metamorphosed impure limestone). Fine-grained grey layers have a shape fabric calcite which appears axial-planar to folded layering. Fabric is probably a lineation, although, on specimen edge, the grains are equant.
475stone 475 Cipollino mandolato, perhaps Tarteing, from Tarteing, Esplas de Sérou, Ariège, Midi-Pyrénées, France Calcite marble. A metamorphosed nodular limestone, clay matter surrounding the nodules has altered to fine-grained chlorite. A few slender veins have ferruginous infills.
94stone 94 Cipollino mandolato, most probably rosé vif des Pyrénées, from the area west of Esplas-de-Sérou, Ariège, Midi-Pyrénées, France Weakly metamorphosed Lower Devonian nodular limestone, somewhat sheared and largely recrystallised; with chlorite coating the nodules.
86stone 86 Cipollino mandolato, griotte, from Haute Pyrénées, France; and probably from the Campan valley. Lower Devonian tectonised and sheared red nodular limestone, with stylolites and white calcite-filled veins.
92stone 92 Cipollino Apuano, from Alta Versilia, Tuscany, Italy Strongly sheared marble. Banding of cream (iron-stained calcite) and green-grey (granular calcite with patchy chlorite/talc) portions at low angle to shear planes, results in tight folding of bands.
922stone 922 Chiampo perlato, from Chiampo area, Vicenza, Veneto, Italy Middle Eocene nummulitic limestone, note solution-modified and stylolized fractures.
724stone 724 Chalcedony, locality unknown Chalcedony (cryptocrystalline quartz) with small cavities lined with quartz crystals. There is no evidence of agate banding.
185stone 185 Ceppo scuro del lago di Como, from Lake Como, Como, Lombardy, Italy Fine grained calcarenite with some primary lamination and signs of soft sediment deformation.
159stone 159 Carrara ordinario, from the Apuan Alps, and probably Carrara, Massa e Carrara, Tuscany, Italy Fine to medium-grained calcite marble speckled with crystals and grains of other minerals including the iron sulphide, pyrite.
9stone 9 Carrara marble, marmo di Carrara, statuario, almost certainly from Cararra,Tuscany Italy. Fine-grained calcite marble
93stone 93 Campan vert, cipollino verde mandolato, from the Haute Pyrénées (probably Pont de la Taulé), France Weakly metamorphosed Lower Devonian nodular limestone, the white fine-grained calcareous nodules have heavily chloritised rims in a paler green chlorite/calcite groundmass.
736stone 736 Calcedonio di Volterra, Diaspro di Monterufoli, from Monterufoli, near Pomarance, Pisa, Tuscany, Italy Brecciated jasper; relatively unfractured large yellowish clasts, many with halos of yellow goethite banded with cream-coloured microcrystalline quartz. Matrix further away from clasts is colourless-milky agate.
740stone 740 Calcedonio di Volterra, Diaspro di Monterufoli, from Monterufoli, near Pomarance, Pisa, Tuscany, Italy Brecciated grey-white chalcedony, agate in part; many clasts have halos of yellow goethite banded with cream-coloured microcrystalline quartz, the latter present elsewhere as matrix.
754stone 754 Calcedonio di Volterra, Diaspro di Monterufoli, from Monterufoli, near Pomarance, Pisa, Tuscany, Italy Off-white chert clasts in a partially silicified, partly calcite or more probably dolomite matrix.
758stone 758 Calcedonio di Volterra, Diaspro di Monterufoli, from Monterufoli, near Pomarance, Pisa, Tuscany, Italy Breccio conglomerate of siliceous jaspery clasts in a groundmass of partially silicified dolomitic limestone, cavities infilled with colourless to grey agate.
759stone 759 Calcedonio di Volterra, Diaspro di Monterufoli, from Monterufoli, near Pomarance, Pisa, Tuscany, Italy Fractured, rounded jaspery clasts, haloes with banded colourless/ferruginous quartz, in a matrix of colourless granular dolomite.
Page 7 of 10, showing 601 - 700 of 1000 stones.
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