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. |
942 |
Tartaro di Tivoli, from Tivoli, Rome, Lazio, Italy |
Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite. |