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
335stone 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.
331stone 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.
14stone 14 Travertino di Tivoli, travertino Romano, from Tivoli, Lazio, Italy Porous banded travertine deposit, specimen cut parallel with the bedding.
317stone 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.
316stone 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.
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.
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.
324stone 324 Alabastro a nuvole, locality unknown Medium to coarse-grained compact banded travertine with ferruginous orange and, in a few places, red colouring.
938stone 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.
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.
307stone 307 'Alabastro fiorito', locality unknown Compact medium- to fine grained banded travertine with some ferruginous staining.
353stone 353 Alabastro eburneo d'Orte from Orte, Viterbo, Lazio, Italy A compact, fine-grained and finely banded, pure calcite travertine.
358stone 358 Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy or perhaps Iano di Montaione, Florence, Tuscany, Italy Compact travertine composed of fine acicular calcite crystals.
940stone 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.
310stone 310 'Alabastro fiorito', locality unknown Compact very fine to fine-grained banded calcite travertine.
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.
343stone 343 Alabastro gioia del ponte di Vezia, from Verona, Veneto, Italy Compact travertine composed of very coarse columnar calcite. The surface has a particularly waxy surface indicating it may have been acid-etched.
349stone 349 Alabastro di Pierosara, from Pierosara, near Fabriano, Ancona, Marches, Italy Compact travertine composed of coarse columnar calcite.
935stone 935 Alabastro antico, alabastro verde, locality unknown Compact travertine composed of coarse-grained calcite.
309stone 309 'Alabastro fiorito', alabastro melleo, locality unknown Compact very finely banded calcite travertine. Some bands have brown ferruginous colouring.
329stone 329 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Compact banded travertine now at least partially recrystallised. The dendritic development of iron oxides, predominantly red hematite, is most probably the result of cyanobacterial action in the hot spring water.
926stone 926 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Recrystallised compact banded travertine, composed of mainly granular ferruginous calcite.
367stone 367 Alabastro di S. Felicita, from Santa Felicita, Capo Circeo, Latina, Lazio, Italy Compact banded travertine composed of medium to coarse-grained columnar calcite crystals
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.
927stone 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.
344stone 344 Alabastro scuro di Collepardo, from Collepardo, Frosinone, Lazio, Italy Banded compact travertine composed of very fine-grained, grading to coarse-grained, columnar calcite.
328stone 328 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Compact banded travertine composed mainly of fine-grained calcite, with bushy developments of iron oxides, predominantly red hematite, the result of cyanobacterial action in the hot spring water.
326stone 326 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Compact banded travertine composed mainly of fine-grained calcite, with rich bushy developments of iron oxides, predominantly brown goethite, the result of cyanobacterial action in the hot spring water.
327stone 327 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Compact banded travertine composed mainly of fine-grained calcite, with rich bushy developments of iron oxides, predominantly red hematite, the result of cyanobacterial action in the hot spring water.
333stone 333 Alabastro ciliegino, locality unknown Compact banded travertine composed mainly of fine-grained calcite. Iron oxides trapped within the botryoidal structure of the calcite give the distinctive appearance.
354stone 354 Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy or perhaps Iano di Montaione, Florence, Tuscany, Italy Banded compact travertine, the very fine acicular calcite crystals giving a particularly compact structure. Note white 'fractures' appear to be strings of minute gas inclusions.
355stone 355 Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy or perhaps Iano di Montaione, Florence, Tuscany, Italy Banded compact travertine, composed of very fine acicular calcite crystals. Note white 'fractures' appear to be strings of minute gas inclusions.
356stone 356 Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy or perhaps Iano di Montaione, Florence, Tuscany, Italy Banded compact travertine, composed of very fine acicular calcite crystals. Note white 'fractures' appear to be strings of minute gas inclusions.
311stone 311 Alabastro di Palombara, possibly from Iano di Montaione, Siena, Tuscany, Italy, but more probably Pamukkale, Denizli, Turkey Compact finely banded travertine composed mainly of fine-grained rather opaque white calcite. Bushy dendritic growths of brown iron oxides result from cyanobacterial activity.
334stone 334 very probably alabastro di Volterra, from Volterra, Pisa, Tuscany, Italy Banded compact travertine composed of very fine fibrous crystals of calcite embedding scattered fragments of a pure white travertine.
347stone 347 Alabastro di Perugia; Perugia, Umbria, Italy, may not be correct. Very compact banded travertine composed of finely acicular/granular calcite crystals. Yellow areas are artificial filler.
348stone 348 Alabastro di Siena; Siena, Tuscany, Italy, may not be correct. Very compact banded travertine composed of finely acicular/granular calcite crystals. Yellow areas are artificial filler.
357stone 357 Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy or perhaps Iano di Montaione, Florence, Tuscany, Italy Very finely banded compact calcite travertine.
361stone 361 Alabastro di Breschia, from Brescia, Lombardy, Italy Compact travertine composed of bands of finely fibrous and fine-grained calcite.
363stone 363 Alabastro di Torrita, perhaps from either Torrita Tiberina, Roma, Lazio, Italy or Torrita di Siena, Siena, Tuscany, Italy Banded compact travertine of very fine fibrous calcite, flesh pink on sides of specimen.
377stone 377 Tartaro di Tivoli, alabastro di Tivoli, from Tivoli, Lazio, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
378stone 378 Tartaro di Tivoli, alabastro di Tivoli, from Tivoli, Lazio, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
379stone 379 Tartaro di Tivoli, alabastro di Tivoli, from Tivoli, Lazio, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
380stone 380 Tartaro di Tivoli, alabastro di Tivoli, from Tivoli, Lazio, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
381stone 381 Tartaro di Tivoli, alabastro di Tivoli, from Tivoli, Lazio, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
382stone 382 Tartaro di Terni, alabastro di Terni, from Terni, Umbria, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
383stone 383 Tartaro di Terni, alabastro di Terni, from Terni, Umbria, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
384stone 384 Tartaro di Terni, alabastro di Terni, from Terni, Umbria, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
385stone 385 Tartaro di Terni, alabastro di Terni, from Terni, Umbria, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
386stone 386 Tartaro di Terni, alabastro di Terni, from Terni, Umbria, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
387stone 387 Alabastro de'Bagni di S. Filippo, from Bagni San Filippo, Siena, Tuscany, Italy Compact banded calcite travertine of very finely fibrous calcite.
924stone 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.
925stone 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.
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.
350stone 350 Alabastro di Camerino, from Camerino, Ancona, Marches, Italy Compact banded travertine composed of very coarse, transparent, to very fine, translucent calcite.
933stone 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.
319stone 319 Alabastro sardonico, locality unknown Compact banded travertine composed of coarsely crystalline calcite coloured red by hematite, adjoining or interbanded with colourless very coarsely crystalline calcite.
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.
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.
340stone 340 Alabastro di Mizzole, gioia di Mizzole, from Mizolle, Val Pantena, Verona, Veneto, Italy Compact banded travertine composed of coarse-grained calcite.
345stone 345 Alabastro bianco di Collepardo, from Collepardo, Frosinone, Lazio, Italy Banded compact travertine composed of exceptionally coarse-grained columnar calcite.
362stone 362 Alabastro di Napoli, from Naples, Campania, Italy; or perhaps alabastro di Busca, from Busca, Cuneo, Piedmont, Italy Banded compact coarse-grained travertine, with bands of white granular calcite.
934stone 934 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Compact banded calcite travertine coloured by iron oxide, with dendritic growths of manganese oxides.
314stone 314 Alabastro a rosa, alabastro fiorito, locality unknown Compact banded travertine composed mainly of calcite, in some bands as colourless prismatic crystals. It is richly coloured by iron oxides - red hematite and brown goethite, in places clearly bushy growths suggesting the action of cyanobacteria.
315stone 315 Alabastro a rosa, alabastro fiorito, most probably from the Pamukkale area, Denizli, Turkey Compact banded travertine composed mainly of calcite, in some bands as colourless prismatic crystals. It is richly coloured by iron oxides - red hematite and brown goethite, in places clearly bushy growths suggesting the action of cyanobacteria.
332stone 332 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Compact banded travertine composed of finely fibrous calcite almost entirely coloured red by hematite.
305stone 305 'Alabastro fiorito', locality unknown Compact finely banded travertine composed of calcite, with abundant fractures perpendicular 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.
304stone 304 Alabastro ghiaccione, from Capo Circeo, Latina, Lazio, Italy Compact banded travertine composed of parallel columnar colourless crystals of calcite interbanded with fine grained white calcite.
318stone 318 Alabastro fiorito, most probably from the Pamukkale area, Denizli, Turkey Compact banded travertine composed of coarse acicular to granular calcite. The sides of the specimen show the banding clearly.
306stone 306 'Alabastro fiorito', locality unknown Compact finely banded travertine composed of calcite, some bands orange, ferruginous.
359stone 359 Alabastro di Busca, from Busca, Cuneo, Piedmont, Italy Banded compact calcite travertine. Note bands of granular white calcite. Specimen has a particularly high polish.
360stone 360 Alabastro di Busca, from Busca, Cuneo, Piedmont, Italy Banded compact calcite travertine. Note bands of granular white calcite.
369stone 369 Alabastro di Collepardo, alabastro ghiaccione, from Collepardo, near Frosinone; or from Capo Circeo, Latina, Lazio, Italy Very pure compact banded travertine composed of parallel prismatic colourless calcite crystals. A speleothem deposit.
388stone 388 Alabastro de'Bagni di S. Filippo, from Bagni San Filippo, Siena, Tuscany, Italy Compact banded calcite travertine; fluoresces yellow-white under longwave uv radiation.
538stone 538 Alabastro di Siena, from Siena, Tuscany, Italy Banded yellow calcite, probably a compact banded travertine.
923stone 923 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Compact banded travertine composed mainly of calcite heavily tinted red by hematite.
928stone 928 Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy Compact travertine composed of fine acicular calcite crystals.
931stone 931 Alabastro antico, locality unknown Compact banded calcite travertine, heavily contaminated with grains of the host limestone.
932stone 932 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Very ferruginous compact banded calcite travertine.
942stone 942 Tartaro di Tivoli, from Tivoli, Rome, Lazio, Italy Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite.
929stone 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.
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.
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.
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.
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.
939stone 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.
368stone 368 almost certainly Travertino di Civitavecchia, from Civitavecchia, Lazio, Italy Calcite travertine deposit, with algal(probably cyanobacterial) laminites. Coloured bands are tinted by hematite (red) and goethite (yellow).
330stone 330 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. This appears to be a recrystallised brecciated compact banded travertine, composed of medium and coarse-grained granular calcite. It is coloured red by disseminated hematite.
371stone 371 Alabastro di Civitavecchia, from Civitavecchia, Rome, Lazio, Italy Breccia of travertine clasts, peloids, algal debris and fine-grained ferruginous detritus in a sparite matrix .
303stone 303 Alabastro a occhi, locality unknown Brecciated fine-grained compact banded travertine, with acicular and granular bands of calcite, some dark orange-brown coloured.
301stone 301 Alabastro fiorito, most probably from the Pamukkale area, Denizli, Turkey Compact banded travertine, brecciated in places, composed of fine- to medium-grained calcite with some orange-brown ferruginous bands. Abundant cavities contain greyish brown wax filler.
365stone 365 Alabastro di Trento, from Trent, Trentino-Alto Adige, Italy; or perhaps travertino di Tivoli, from Tivoli, Roma, Lazio, Italy Banded travertine, ferruginous bushy growths are the result of cyanobacterial growth in the hot water. Banding and abundant cavities are clearly visible on the sides of the sample.
374stone 374 Alabastro di Sabina, Alabastro ghiaccione, from Sabina, or from Capo Circeo, Latina, Lazio, Italy Very pure banded calcite travertine composed of very coarse granular colourless crystals and fine grained white calcite, banding evident in a few places. It is almost certainly a speleothem.
937stone 937 Alabastro antico, locality unknown Compact finely banded calcite travertine, wide paler coloured bands have a more porous texture and contain trapped filler.
251stone 251 Travertino di Monte Catini, from Montecatini Terme, Pistoia, Tuscany, Italy Limestone, brown ferruginous in places, composed of brecciated travertine, algal fragments and other bioclasts. Cavities are mostly filled with sparry calcite.
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