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
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.
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.
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.
309stone 309 'Alabastro fiorito', alabastro melleo, locality unknown Compact very finely banded calcite travertine. Some bands have brown ferruginous colouring.
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.
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).
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.
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.
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.
324stone 324 Alabastro a nuvole, locality unknown Medium to coarse-grained compact banded travertine with ferruginous orange and, in a few places, red colouring.
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.
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.
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.
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.
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.
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.
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.
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.
923stone 923 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Compact banded travertine composed mainly of calcite heavily tinted red by hematite.
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.
926stone 926 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Recrystallised compact banded travertine, composed of mainly granular ferruginous calcite.
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.
932stone 932 Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. Very ferruginous compact banded calcite travertine.
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.
928stone 928 Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy Compact travertine composed of fine acicular calcite crystals.
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.
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.
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.
935stone 935 Alabastro antico, alabastro verde, locality unknown Compact travertine composed of coarse-grained calcite.
931stone 931 Alabastro antico, locality unknown Compact banded calcite travertine, heavily contaminated with grains of the host limestone.
936stone 936 Alabastro antico, locality unknown Limestone breccia. Calcite travertine clasts, and a few gastropod shells, in a micritic (peloidal in places) matrix.
937stone 937 Alabastro antico, locality unknown Compact finely banded calcite travertine, wide paler coloured bands have a more porous texture and contain trapped filler.
345stone 345 Alabastro bianco di Collepardo, from Collepardo, Frosinone, Lazio, Italy Banded compact travertine composed of exceptionally coarse-grained columnar calcite.
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.
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.
387stone 387 Alabastro de'Bagni di S. Filippo, from Bagni San Filippo, Siena, Tuscany, Italy Compact banded calcite travertine of very finely fibrous calcite.
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.
361stone 361 Alabastro di Breschia, from Brescia, Lombardy, Italy Compact travertine composed of bands of finely fibrous and fine-grained calcite.
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.
350stone 350 Alabastro di Camerino, from Camerino, Ancona, Marches, Italy Compact banded travertine composed of very coarse, transparent, to very fine, translucent calcite.
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 .
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.
340stone 340 Alabastro di Mizzole, gioia di Mizzole, from Mizolle, Val Pantena, Verona, Veneto, Italy Compact banded travertine composed of coarse-grained 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.
339stone 339 Alabastro di Palermo, from Palermo, Sicily, Italy Coarse-grained calcite travertine deposit on a bioclastic limestone. Matrix is a calc-rudite-limestone conglomerate dominated by large benthic forams and limestone intraclasts of calcareous algae. Note the stylolites.
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.
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.
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.
349stone 349 Alabastro di Pierosara, from Pierosara, near Fabriano, Ancona, Marches, Italy Compact travertine composed of coarse columnar 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
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.
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.
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.
538stone 538 Alabastro di Siena, from Siena, Tuscany, Italy Banded yellow calcite, probably a compact banded travertine.
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.
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.
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.
353stone 353 Alabastro eburneo d'Orte from Orte, Viterbo, Lazio, Italy A compact, fine-grained and finely banded, pure calcite travertine.
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.
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.
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.
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.
930stone 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.
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.
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.
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.
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.
302stone 302 Alabastro, cotognino a onde, locality not known. Perhaps from Hatnub, Mallawi, or another location in the Nile valley, Eastern desert, Egypt. Compact banded travertine cut parallel to the banding, composed of medium-grained columnar/granular calcite, with a few scattered aggregates of acicular goethite or manganese oxide crystals. Some of the sparry limestone host rock is present. Grey patches contain clay and other debris. Small pink area is filler.
441stone 441 Breccia del lago di Como, from Lake Como, Como, Lombardy, Italy Peloidal limestone breccia. The matrix is pale brown transparent calcite, as compact banded travertine in places. Note extensive brown filler/polishing compound.
691stone 691 Breccia di Torrita, from Torrita Tiberina, near Rome, Lazio, Italy Polymict conglomerate of limestone pebbles, bordering on compact calcite travertine. The cement is calcarenite. There is extensive brown filler.
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.
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.
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.
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.
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.
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.
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.
180stone 180 Marmo palombino di Sestri, from Sestri Ponente, Genoa, Liguria, Italy Limestone; a pel-sparite with what look like birds-eyes, and with scattered molluscan and algal debris. One corner of the specimen has compact banded travertine.
341stone 341 marmo rosa dell' Alcenago, from Alsenaso, Val Pantena, Verona, Veneto, Italy Not ‘alabaster’. A fine-grained calcarenite limestone.
338stone 338 Marmo rosa di Stalavena, from Stalavena di Grezzana, Val Pantena, Verona, Veneto, Italy Not a travertine and so incorrectly classified as alabaster. This is a bioclast-rich burrowed micritic limestone with stylolites and spar-filled fractures.
504stone 504 Marmo venato di Tivoli, from Tivoli, Roma, Lazio, Italy Biomicrite with scattered dendritic manganese oxides. Side of specimen shows slumping and intraclasts in stylolitised shelly limestone. Note subsequent extensive fracturing, the fractures calcite-filled.
505stone 505 Marmo venato di Tivoli, from Tivoli, Roma, Lazio, Italy Recrystallised, probably originally bioturbated, micritic or microspar limestone with extensive stylolites and calcite filled fractures.
63stone 63 Porporina di villa Adriana, locality unknown Hematite-rich banded limestone with some colourless sparry calcite-filled veins, and abundant cavities which are filled with wax on polished surfaces. Probably extensively recrystallised.
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.
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