901 |
Marmo salino dell'Elba, from the island of Elba, Livorno, Tuscany, Italy |
Fairly coarse-grained calcite marble; bands of sulphide/oxide impurities evident on side of specimen. |
902 |
Probably giallo antico from Chemtou, Tunisia, but possibly Giallo di Siena, Siena yellow from Monte Arrenti near Sovicille, Siena, Tuscany, Italy |
Very fine-grained calcite marble. A fractured, stylolitised, metamorphosed fossiliferous biomicrite limestone. Veins and voids are calcite-filled, and there are abundant small black manganese oxide dendrites. |
903 |
Rosso antico brecciato, from Kiyi Kislacik, Milas, Mugla Province, Turkey |
Breccia of calcite marble clasts in a hematitic matrix. |
904 |
Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece |
Fine-grained compact limestone, partially recrystallised, with red iron oxides concentrated in abundant stylolites giving a characteristic reticulated appearance often seen in this stone. |
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. |
906 |
Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece |
Partially recrystallised bioclastic limestone with crinoid and other debris, stylolites, and spar-filled fractures. |
907 |
'Portasanta', locality unknown |
Sheared limestone/marble breccia with extensive stylolite development. |
908 |
Portasanta, from northwest of Chora, Island of Chíos, North Aegean, Greece |
Fine-grained recrystallised limestone with stylolites and spar-filled fractures. |
909 |
probably Africano, from Sigacik (ancient Teos), Izmir Province, Turkey |
Sheared, recrystallised limestone breccia with some relic crinoid debris and abundant stylolites. |
910 |
perhaps breccia corallina, from Verzirhan, Bilecik,Turkey |
Heavily sheared and recrystallised limestone breccia, almost entirely altered to fine-grained marble. |
911 |
Cipollino verde, locality unknown |
Heterogeneously deformed very coarse-grained metagabbro with ophitic texture locally preserved in lenticular low-strain domains. |
912 |
probably marmo Greco scritto, probably from Capo de Garde, Annaba (Hippo Regius), Algeria. |
A tectonised calcite marble, with fine and medium-grained graphite-rich bands; perhaps originally a marble breccia. |
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. |
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. |
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. |
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.
|
917 |
Pavonazzetto, from Iscehisar (Synnada), Afyonkarahisar Province, Turkey |
Sheared marble breccia. |
918 |
Pavonazzetto, from Iscehisar (Synnada), Afyonkarahisar Province, Turkey |
Sheared breccia of marble clasts. |
919 |
almost certainly Vytina black, from Vytina, Arcadia, Peloponnese, Greece |
Fine-grained black limestone with white fragments of rudist bivalves; Cretaceous age. |
920 |
almost certainly Vytina black, from Vytina, Arcadia, Peloponnese, Greece |
Fine-grained black limestone with white shells of rudist bivalves; Cretaceous age. |
921 |
Lumachella di San Vitale, from the province of Verona, Veneto, Italy |
Jurassic limestone; matrix is fossiliferous micrite/microspar with molluscan debris. The large white recrystallised shells are of 'Lithiotis' bivalves. |
922 |
Chiampo perlato, from Chiampo area, Vicenza, Veneto, Italy |
Middle Eocene nummulitic limestone, note solution-modified and stylolized fractures. |
923 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Compact banded travertine composed mainly of calcite heavily tinted red by hematite. |
924 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Compact banded travertine composed mainly of fine-grained calcite almost entirely coloured red by hematite, the result of cyanobacterial action in the hot spring water. |
925 |
Alabastro ciliegino, locality unknown |
Compact banded travertine composed mainly of fine-grained calcite, with some bands particularly rich in included red hematite. Light brown areas are wax filler. |
926 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Recrystallised compact banded travertine, composed of mainly granular ferruginous calcite. |
927 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria, or perhaps alabastro ciliegino, locality unknown. |
Compact banded travertine composed of white fine-grained calcite, with coarse-grained areas patchily rich in iron oxides, mainly hematite. |
928 |
Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy |
Compact travertine composed of fine acicular calcite crystals. |
929 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Compact banded travertine composed of coarse-grained calcite, some bands are rich in iron oxides, dendritic growth most evident on the sides of the sample. |
930 |
Alabastro fortezzino, probably from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. |
Fine-grained compact travertine with some slender orange bands, hosted in a nummulitic limestone. |
931 |
Alabastro antico, locality unknown |
Compact banded calcite travertine, heavily contaminated with grains of the host limestone. |
932 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Very ferruginous compact banded calcite travertine. |
933 |
probably Egyptian alabaster, alabastro cotognino, from one of several quarries at Hatnub, Mallawi, and other locations in the Nile valley, Eastern desert, Egypt. |
Compact banded travertine composed of fairly coarse-grained calcite, extensively iron-stained and with red ferruginous veins. |
934 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Compact banded calcite travertine coloured by iron oxide, with dendritic growths of manganese oxides. |
935 |
Alabastro antico, alabastro verde, locality unknown |
Compact travertine composed of coarse-grained calcite. |
936 |
Alabastro antico, locality unknown |
Limestone breccia. Calcite travertine clasts, and a few gastropod shells, in a micritic (peloidal in places) matrix. |
937 |
Alabastro antico, locality unknown |
Compact finely banded calcite travertine, wide paler coloured bands have a more porous texture and contain trapped filler. |
938 |
Alabastro di Palestrina, from Palestrina, Rome, Lazio, Italy |
Compact banded travertine composed of acicular calcite crystals, with a ferruginous micritic infill between grains. Cavities in the surface are filled with brown wax, intensifying the colour a little. |
939 |
Alabastro di S. Felicita, from Santa Felicita, Capo Circeo, Latina, Lazio, Italy |
A very coarse-grained compact banded calcite travertine, of a pale golden yellow colour. |
940 |
Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy or perhaps Iano di Montaione, Florence, Tuscany, Italy |
Compact travertine composed of very fine acicular calcite crystals. |
941 |
Pietra perlea di Trento, from Trent, Trentino-Alto Adige, Italy |
Massive coarsely crystalline calcite with iridescence off incipient cleavages. Reddish brown in places, ferruginous matter coating some incipient cleavage planes. |
942 |
Tartaro di Tivoli, from Tivoli, Rome, Lazio, Italy |
Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite. |
943 |
Breccia rossa, locality unknown |
Metamorphosed (tectonised) limestone breccia with calcite/hematite-filled fractures, solution seams and stylolites. |
944 |
Breccia corallina, from Verzirhan, Bilecik,Turkey |
Weakly metamorphosed limestone breccia with stylolitised clast boundaries, and with small cavities filled with sparry calcite. |
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). |
946 |
Breccia traccagnina, breccia Capitolina, locality unknown |
Polymict limestone conglomerate. |
947 |
Breccia di Settebasi, from Isle of Skyros, Sporades, Central Greece |
Sheared limestone conglomerate, metamorphosed to marble. |
948 |
Broccatellone, from Verzirhan, Bilecik,Turkey |
Tectonised limestone breccia-conglomerate. |
949 |
Breccia Medicea or 'Africano', from Seravezza, Lucca, Tuscany, Italy |
Tectonised polymict breccia-conglomerate of limestone and marble clasts with solution-modified clast contacts. |
950 |
Breccia corallina, from Verzirhan, Bilecik,Turkey |
Tectonic brecciated limestone breccia, heavily fractured with stylolites and solution-modified clast boundaries. |
951 |
Breccia bigia, locality unknown |
Well-sorted polymict limestone conglomerate. |
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. |
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. |
954 |
Fior di pesco Apuano from Stazzema, near Seravezza, Lucca, Tuscany, Italy |
Marble breccia; a sheared and tectonised limestone conglomerate. |
955 |
Fior di pesco Apuano, from Stazzema, near Seravezza, Lucca, Tuscany, Italy |
Heavily fractured calcite marble breccia; a sheared and tectonised limestone conglomerate. |
956 |
Pietra paesina, from Tuscany, Italy |
Micritic limestone with scattered tiny bioclasts, coarser-grained intraclasts, and stylolites. It is heavily fractured, the microfracture-constrained iron-staining giving a 'paesina' effect. Abundant dentritic manganese oxides are concentrated in, or emanate from some intraclasts, stylolites and veins. It is almost certainly from the Cretaceous to Eocene Alberese Formation. |
957 |
Pietra paesina, from Trent, Trentino-Alto Adige, Italy |
Heavily fractured micritic limestone with abundant tiny bioclasts. Ferruginous staining shows typical Liesegang rings, and is constrained by sealed microfractures giving the 'paesina' effect seen best on sides of sample. Dendritic manganese oxides emanate from fractures. It is almost certainly from the Cretaceous to Eocene Alberese Formation. |
958 |
Pietra paesina, from Civitavecchia, Rome, Lazio, Italy |
Heavily fractured micritic limestone with abundant tiny bioclasts, stylolites and orange and white sparry calcite-filled fractures. Ferruginous staining is constrained by sealed microfractures giving the 'paesina' effect. There are minor dendrites of manganese oxides. It is almost certainly from the Cretaceous to Eocene Alberese Formation. |
959 |
Pietra paesina, from Civitavecchia, Rome, Lazio, Italy |
Heavily fractured micritic limestone with sparry calcite-filled fractures and stylolites. Ferruginous staining is constrained by the fractures giving the 'paesina' effect. It is almost certainly from the Cretaceous to Eocene Alberese Formation. |
960 |
Pietra paesina, from Civitavecchia, Rome, Lazio, Italy |
Heavily fractured micritic limestone with sparry calcite-filled fractures. Ferruginous staining is constrained by the fractures and shows banded Liesegang rings, together giving the 'paesina' effect. It is almost certainly from the Cretaceous to Eocene Alberese Formation. |
961 |
Arenaria antica, locality unknown |
Coarse-grained bio calcarenite, with algal, foram, molluscan grains dominant. Matrix is colourless calcite. |
962 |
Verde antico, from Larissa, Thessaly, Greece |
Breccia with clasts mainly of serpentinite/ophicalcite, and a few of marble. |
963 |
Serpentina di Santa Caterina, from Santa Caterina, island of Elba, Livorno, Tuscany, Italy |
Serpentinite, finely brecciated and veined with calcite. |
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. |
965 |
Serpentina di Carrara, from Carrara, Massa e Carrara, Tuscany, Italy |
Perhaps a serpentinised lherzolite. Large pale crystals look like enstatite as porphyroclasts in a deformed and recrystallised matrix. |
966 |
Serpentina di Carrara, from Carrara, Massa e Carrara, Tuscany, Italy |
Serpentinite with cracked and serpentinised pseudomorphs of olivine and pink bastitised pyroxene. Planar fabric is visible on the sides of the sample, possibly spinel, but now altered. It is permeated by white calcite. The protolith was possibly a spinel peridotite. |
967 |
Porfido serpentino antico, from Krokees (Levetsova), Laconia, Peloponnese, Greece |
Deformed porphyritic microdiorite (plagioclase-biotite?), feldspar replaced by aggregates of epidote. There is primary sub-parallel orientation of the porphyroblasts of replaced feldspars. |
968 |
almost certainly breccia del Taigeto, breccia verde di Sparta, from the area of Krokees (Levetsova), Laconia, Peloponnese, Greece |
Synsedimentary breccio-conglomerate with clasts of porphyritic andesite. |
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. |
970 |
Pudingo di Sabina, from Sabina, Umbria, Italy |
Polymict conglomerate. Clasts predominantly limestone, but include some silicates including muscovite; a few clasts are pebbles of igneous/metamorphic rocks (granite/gneiss etc.). Matrix is calcarenite with some quartz, coated with yellowish goethite. |
971 |
Pudingo di Toscana, from Tuscany, Italy |
Polymict breccio-conglomerate, clasts are largely quartz or chert, and some have inclusions of pyrite. Matrix is calcarenite. |
972 |
Pudingo delle Alpi, from the Alps |
Polymict conglomerate with sandstone matrix, clasts: limestone, marble? rock. Fragments possibly volcanic? Some chalcedony. Scattered bivalves and gastropods in the matrix - ?marine |
973 |
'Verde di Corsica', from Corsica, France is unlikely; perhaps from the Alps |
Proabably a metagabbro, with trace chromium colouring the pyroxene crystals bright green. |
974 |
Quarzo erborizzato dell'Elba, from the island of Elba, Livorno, Tuscany, Italy |
Calcarenite with some grey shell fragments and grains of a black mineral, perhaps schorl. |
975 |
most probably breccia Medici di Siena, from Siena, Tuscany, Italy |
Fine-grained calcite marble breccia; a sheared and metamorphosed limestone breccia. |
976 |
'Diaspro d'Egitto', locality unknown |
Breccia of green iron-rich prase/aventurine? fragments in a chalcedony matrix. Abundant ferruginous ‘debris’ is in places altered to orange goethitic and red hematitic spherules. A broad colourless chalcedony vein traverses specimen. |
977 |
Sicilian jasper, diaspro di Sicilia, from Sicily, Italy |
Brecciated orange-brown jasper with fractured agate matrix. Goethite forms inclusions in matrix and full/partial rims to clasts. Dendritic manganese oxides emanate from clast fractures, crystalline quartz fills smaller voids, microcrystalline calcite the larger ones. |
978 |
Sicilian jasper, diaspro di Sicilia, from Sicily, Italy |
Brecciated red jasper with heavily fractured agate matrix patchily speckled with hematitic inclusions. Diffuse brown goethite forms inclusions and full/partial rims to clasts. Dendritic manganese oxides are common along fractures in matrix, crystalline quartz fills smaller voids, microcrystalline calcite the larger ones. |
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. |
980 |
Sicilian jasper, diaspro di Sicilia, from Sicily, Italy |
Partially silicified limestone, voids and fractures filled with agate. Some black calcareous limestone especially on reverse. Dark brown areas are filler. |
981 |
Sicilian jasper, diaspro di Sicilia, from Sicily, Italy |
Banded jasper, perhaps originally oolitic ironstone or limestone. Cavities and fractures are filled with colourless quartz. |
982 |
Sicilian jasper, diaspro di Sicilia, from Sicily, Italy |
Brecciated yellow-brown jasper, agate-filled fractures and matrix, voids filled with crystalline quartz. |
983 |
Porfido delle Alpi, from the Alps |
Quartz porphyry. Pale reddish brown rock. Subhedral phenocrysts of glassy quartz up to 3mm and pale brown alkali feldspar set in very fine-grained pale brown groundmass with occasional ferromagnesian silicate mineral and black oxide. |
984 |
Porfido delle Alpi, from the Alps |
Quartz porphyry. Greyish brown colour. Prominent white subhedral feldspar phenocrysts, some showing compositional zoning with lamellar-twinned interiors and untwined rims. Rounded glassy quartz phenocrysts and prismatic dark brown ferromagnesian mineral, probably amphibole. All set in very fine-grained pale brown
groundmass. Similar in mineralogy to 0983, but with different proportions of feldspar and quartz phenocrysts.
|
985 |
Porfido di Siberia, from Siberia, Russia |
Plagiophyric micro-diorite. Laths of white plagioclase, frequently in clusters, and dark green subhedral amphibole set in fine-grained matrix of probably similar mineralogy. |
986 |
Granito antico, possibly granito verde fiorito di bigio from Wadi Umm Balad, near Gebel Dokhan, Eastern Desert, Egypt |
Quartz diorite. |
987 |
Granito antico, locality unknown |
Granodiorite, pinkish potash feldspar. |
988 |
Granito antico, locality unknown |
Coarse-grained hornblende biotite granite with large megacrysts of salmon pink potash feldspar. |
989 |
Gabbro eufotide, from Wadi Maghrabiya, Eastern Desert, Egypt |
Weakly metamorphosed coarse-grained gabbro with a subtle schiller to the plagioclase feldspar. |
990 |
Granito antico, possibly granito verde fiorito di bigio from Wadi Umm Balad, near Gebel Dokhan, Eastern Desert, Egypt |
Quartz diorite. |
991 |
Granito antico, locality unknown |
Biotite granite. Pink, medium-grained. Pink alkali feldspar, white plagioclase and glassy quartz. Faint foliation. |
992 |
Granito rosso antico, sienite, possibly from between Aswan and Shellal District, Nile Valley, Egypt |
Fine-grained hornblende biotite granite-granodiorite. |
993 |
Granito antico, locality unknown |
Fine-grained hornblende biotite granodiorite; some mafic grains included within quartz. |
994 |
Granito antico, locality unknown |
Fine-grained hornblende biotite rapakivi granite with large pink perthitic phenocrysts of potash feldspar rimmed with colourless plagioclase. |
995 |
Granito antico, locality unknown |
Porphyrtic trachyte. Abundant feldspar phenocrysts up to 15mm showing complex twinning, concentric zoning of inclusions and a tendency to cluster. Sparse microphenocrysts of amphibole substantially altered to rusty brown mineral (also occurs in the white feldspars). Possible rare quartz phenocrysts. Groundmass of milky-white and pale grey feldspars showing tendency to fluidal structure round phenocrysts. Occasional angular (?cognate) xenoliths of fine-grained equigranular rock consisting of feldspar and altered amphibol;e. |
996 |
Granito antico, very possibly granito bianco e nero gabino, from Bir Umm Fawakhir, near Wadis Hammamt and el-Sid, Eastern Desert, Egypt |
Granodiorite. |
997 |
Granito di Firenze, from Florence, Tuscany, Italy |
Hornblende biotite granite, porphyritic, with large megacrysts of potassium feldspar. |
998 |
Granito delle Alpi, from the Alps |
Feldsparphyric diorite. Fractured and replaced zoned feldspar phenocrysts and rarer clusters of amphibole, are set in a granular groundmass of white feldspar, quartz and a ferromagnesian mineral. It has pervasive chloritic alteration and granular recrystallisation. Pale green veins cross the specimen |
999 |
Granito delle Alpi, from the Alps |
Sepentinite. Very coarse-grained. Mottled dark and lighter green. Dark green, veined and cleaved altered pyroxene perhaps with original exsolution texture. Pale green (?) antigorite pseudomorphs retaining ghost fracture pattern of original olivine.
One end of specimen shows clasis with constituent minerals forming granular aggregate. White cross-cutting veins contain carbonate and silicate.
|
1000 |
Granito delle Alpi, from the Alps; or perhaps from Elba, Livorno, Tuscany, Italy |
Breccia of calcite marble, limestone, serpentine, and metagabbro clasts, with a single large metagabbro clast forming the greater part of the specimen. |