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
324stone 324 Alabastro a nuvole, locality unknown Medium to coarse-grained compact banded travertine with ferruginous orange and, in a few places, red colouring.
320stone 320 Alabastro a giaccione, perhaps alabastro di Montalcino from Montalcino, Siena, Tuscany, Italy Compact banded travertine composed of very coarsely crystalline calcite. Ferruginous inclusions run parallel to the banding.
321stone 321 Alabastro a giaccione, locality unknown Compact finely banded travertine composed of calcite, some bands with ferruginous inclusions. Note the extensive fracturing perpendicular to the banding.
322stone 322 Alabastro a giaccione, locality unknown Compact finely banded travertine composed of coarsely crystalline brown calcite coating a fossiliferous limestone. Note the abundant fractures.
370stone 370 Alabastra di Monte Alcino, from Montalcino, Siena, Tuscany, Italy A reddish brown very coarsely crystalline banded calcite travertine with ferruginous inclusions running parallel or perpendicular to banding.
509stone 509 'Argilla di Terni', from Terni, Umbria, Italy; or may be Tivoli, Roma, Lazio, Italy Burrowed micrite/microsparite limestone with abundant calcispheres and conspicuous dissolution fabrics (dark seams).
305stone 305 'Alabastro fiorito', locality unknown Compact finely banded travertine composed of calcite, with abundant fractures perpendicular to the banding.
306stone 306 'Alabastro fiorito', locality unknown Compact finely banded travertine composed of calcite, some bands orange, ferruginous.
307stone 307 'Alabastro fiorito', locality unknown Compact medium- to fine grained banded travertine with some ferruginous staining.
308stone 308 'Alabastro fiorito', locality unknown Compact finely banded calcite travertine. A hot spring deposit with some bands containing dendritic iron oxides, probably the result of cyanobacterial activity.
310stone 310 'Alabastro fiorito', locality unknown Compact very fine to fine-grained banded calcite travertine.
309stone 309 'Alabastro fiorito', alabastro melleo, locality unknown Compact very finely banded calcite travertine. Some bands have brown ferruginous colouring.
352stone 352 'Alabastro dorato d'Orte', locality unknown Coarse to very coarse nearly transparent granular calcite, perhaps a hydrothermal vein deposit rather than a travertine. Some grey micritic limestone matrix is present which contains white grains probably of algae.
364stone 364 'Alabastro di Sarzana', locality unknown; not thought to be from Sarzana. Banded compact travertine composed of medium-grained granular/prismatic calcite; some bands are orange, ferruginous. Dark brown is filler or polishing compound.
351stone 351 'Alabastro bianco d'Orte', probably Egyptian alabaster, Coarse to very coarse compact crystalline calcite, with a little banding suggesting this is a travertine.
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