353 |
Alabastro eburneo d'Orte from Orte, Viterbo, Lazio, Italy |
A compact, fine-grained and finely banded, pure calcite travertine. |
307 |
'Alabastro fiorito', locality unknown |
Compact medium- to fine grained banded travertine with some ferruginous staining. |
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. |
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. |
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. |
324 |
Alabastro a nuvole, locality unknown |
Medium to coarse-grained compact banded travertine with ferruginous orange and, in a few places, red colouring. |
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. |
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. |
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. |
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. |
316 |
Alabastro fiorito, almost certainly from the Pamukkale area, Denizli, Turkey |
Medium-grained compact banded travertine composed mainly of calcite, in some bands as colourless prismatic crystals. It is coloured by iron oxides, the bushy dendritic growths probably generated by cyanobacterial action. |
317 |
Alabastro fiorito, from Pamukkale area, Denizli, Turkey |
Medium-grained compact banded travertine composed mainly of calcite. It is coloured by iron oxides, the bushy dendritic growths probably generated by cyanobacterial action. |
14 |
Travertino di Tivoli, travertino Romano, from Tivoli, Lazio, Italy |
Porous banded travertine deposit, specimen cut parallel with the bedding. |
331 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
A recrystallised compact banded travertine composed of medium and coarse-grained granular calcite but retaining bushy developments of iron oxides, predominantly red hematite. |
335 |
Alabastro di Sestri, from Sestri Ponente, Genoa, Liguria, Italy |
Iron-stained impure tufa with coatings of banded compact travertine composed of very fine fibrous crystals of calcite. |