Corsi Collection of Decorative Stones

Page 4 of 10, showing 301 - 400 of 1000 stones.
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OUMNH number Name and quarry location Geological description
OUMNH number Name and quarry location Geological description
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.
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.
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.
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.
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.
309stone 309 'Alabastro fiorito', alabastro melleo, locality unknown Compact very finely banded calcite travertine. Some bands have brown ferruginous colouring.
310stone 310 'Alabastro fiorito', locality unknown Compact very fine to fine-grained banded calcite travertine.
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.
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.
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.
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.
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.
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.
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.
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.
324stone 324 Alabastro a nuvole, locality unknown Medium to coarse-grained compact banded travertine with ferruginous orange and, in a few places, red colouring.
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.
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.
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.
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.
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.
336stone 336 Lumachella di San Vitale, mischio di Mizolle, from Mizolle, Val Pantena, Verona, Veneto, Italy Limestone; a fossiliferous micrite/biosparite with debris of the the lower Jurassic reef-forming 'Lithiotis' bivalve.
337stone 337 Lumachella di San Vitale, from the province of Verona, Veneto, Italy Fossiliferous limestone with a biosparite matrix. Large shells of 'Lithiotis ' bivalves are filled with calcite spar. Stylolites are evident.
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.
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.
340stone 340 Alabastro di Mizzole, gioia di Mizzole, from Mizolle, Val Pantena, Verona, Veneto, Italy Compact banded travertine composed of coarse-grained calcite.
341stone 341 marmo rosa dell' Alcenago, from Alsenaso, Val Pantena, Verona, Veneto, Italy Not ‘alabaster’. A fine-grained calcarenite limestone.
342stone 342 Lumachella di San Vitale, from the province of Verona, Veneto, Italy Fossiliferous biosparite limestone with large fragments of 'lithiotis' bivalves. Original aragonite shells are replaced by sparry calcite. Some primary prismatic calcite survives. Note the calcite filled fractures and stylolites.
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.
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.
345stone 345 Alabastro bianco di Collepardo, from Collepardo, Frosinone, Lazio, Italy Banded compact travertine composed of exceptionally coarse-grained columnar calcite.
346stone 346 Alabastro di Pisa, probably Alabastro di Volterra, from Pisa, Tuscany, Italy, and very probably from the area around Volterra or Castellina Marittima. Fine-grained compact gypsum, the variety which geologists now call alabaster. A vein of fibrous gypsum crosses the side of the specimen.
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.
349stone 349 Alabastro di Pierosara, from Pierosara, near Fabriano, Ancona, Marches, Italy Compact travertine composed of coarse columnar calcite.
350stone 350 Alabastro di Camerino, from Camerino, Ancona, Marches, Italy Compact banded travertine composed of very coarse, transparent, to very fine, translucent calcite.
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.
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.
353stone 353 Alabastro eburneo d'Orte from Orte, Viterbo, Lazio, Italy A compact, fine-grained and finely banded, pure calcite travertine.
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.
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.
361stone 361 Alabastro di Breschia, from Brescia, Lombardy, Italy Compact travertine composed of bands of finely fibrous and fine-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.
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.
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.
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.
366stone 366 Lumachella di San Vitale, from Valpantena, Verona, Veneto, Italy Fossiliferous limestone. Large shells of 'Lithiotis' bivalve and other skeletal elements are replaced by calcite spar. The matrix is biosparite. Note the stylolites.
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
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).
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.
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.
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 .
372stone 372 Derbyshire rosewood marble, from Nettler Dale, near Ashford, Derbyshire, England Limestone; a Carboniferous laminated algal biomicrite.
373stone 373 Derbyshire rosewood marble, from Nettler Dale, near Ashford, Derbyshire, England Limestone; a Carboniferous laminated algal biomicrite. Note synsedimentary brecciation of algal laminites.
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.
375stone 375 Derbyshire 'alabaster', Poole's Cavern 'alabaster', from Poole's Cavern, near Buxton, Derbyshire, England Speleothem calcite with irregular aggregates of metallic grey galena crystals cementing brecciated Carboniferous Limestone. The limestone contains abundant crinoids, bryozoa and other bioclasts.
376stone 376 Derbyshire 'alabaster', from Middleton-by-Wirksworth, Derbyshire, England; perhaps the Bondog-Hole mine Very pure colourless banded speleothem calcite with a small area of the host Carboniferous Limestone.
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.
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.
389stone 389 Rosso brecciato, from Kiyi Kislacik, Milas, Mugla Province, Turkey Marble breccia; matrix-supported clasts of coarse-grained grey and finer-grained white marble. Perhaps a metamorphosed debris flow.
390stone 390 Spanish broccatello, from Tortosa, Tarragona, Spain Burrowed fossiliferous limestone with large bivalves.The original calcitic shell layers are preserved in some places, elsewhere, sparry calcite infills voids left by desolution of aragonite shells.
391stone 391 Spanish broccatello, from Tortosa, Tarragona, Spain Burrowed fossiliferous limestone with large bivalves.The original calcitic shell layers are preserved in some places, elsewhere, sparry calcite infills voids left by desolution of aragonite shells.
392stone 392 Spanish broccatello, from Tortosa, Tarragona, Spain Burrowed fossiliferous limestone with large bivalves.The original calcitic shell layers are preserved in some places, elsewhere, sparry calcite infills voids left by desolution of aragonite shells.
393stone 393 Spanish broccatello, from Tortosa, Tarragona, Spain Burrowed fossiliferous limestone with large bivalves.The original calcitic shell layers are preserved in some places, elsewhere, sparry calcite infills voids left by desolution of aragonite shells.
394stone 394 Breccia di Aleppo, from Island of Chíos, North Aegean, Greece Polymict limestone conglomerate with solution-modified clast boundaries and stylolites.
395stone 395 Breccia traccagnina, locality unknown Polymict limestone and dolomite conglomerate with solution-modified clast boundaries and stylolites.
396stone 396 Breccia traccagnina, locality unknown Polymict limestone conglomerate with solution-modified sutured clast boundaries and stylolites.
397stone 397 Breccia traccagnina, locality unknown Polymict limestone, and dolomite breccia/conglomerate, heavily fractured with sutured, solution-modified clast boundaries and stylolites.
398stone 398 Breccia traccagnina, locality unknown Polymict limestone conglomerate.
399stone 399 Breccia corallina giallastra from Verzirhan, Bilecik,Turkey or breccia Godoy Polymict limestone conglomerate. Clast boundaries and contacts sutured. Note stylolites and extensive calcite-filled fractures.
400stone 400 Breccia traccagnina, locality unknown Polymict limestone conglomerate; heavily altered clast boundaries
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