309 |
'Alabastro fiorito', alabastro melleo, locality unknown |
Compact very finely banded calcite travertine. Some bands have brown ferruginous colouring. |
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. |
926 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Recrystallised compact banded travertine, composed of mainly granular ferruginous calcite. |
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 |
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. |
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. |
344 |
Alabastro scuro di Collepardo, from Collepardo, Frosinone, Lazio, Italy |
Banded compact travertine composed of very fine-grained, grading to coarse-grained, columnar calcite. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
357 |
Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy or perhaps Iano di Montaione, Florence, Tuscany, Italy |
Very finely banded compact calcite travertine. |
361 |
Alabastro di Breschia, from Brescia, Lombardy, Italy |
Compact travertine composed of bands of finely fibrous and fine-grained calcite. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
387 |
Alabastro de'Bagni di S. Filippo, from Bagni San Filippo, Siena, Tuscany, Italy |
Compact banded calcite travertine of very finely fibrous calcite. |
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. |
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. |
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. |
350 |
Alabastro di Camerino, from Camerino, Ancona, Marches, Italy |
Compact banded travertine composed of very coarse, transparent, to very fine, translucent calcite. |
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. |
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. |
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. |
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. |
340 |
Alabastro di Mizzole, gioia di Mizzole, from Mizolle, Val Pantena, Verona, Veneto, Italy |
Compact banded travertine composed of coarse-grained calcite. |
345 |
Alabastro bianco di Collepardo, from Collepardo, Frosinone, Lazio, Italy |
Banded compact travertine composed of exceptionally coarse-grained columnar calcite. |
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. |
934 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Compact banded calcite travertine coloured by iron oxide, with dendritic growths of manganese oxides. |
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. |
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. |
332 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Compact banded travertine composed of finely fibrous calcite almost entirely coloured red by hematite. |
305 |
'Alabastro fiorito', locality unknown |
Compact finely banded travertine composed of calcite, with abundant fractures perpendicular to the banding. |
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. |
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. |
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. |
306 |
'Alabastro fiorito', locality unknown |
Compact finely banded travertine composed of calcite, some bands orange, ferruginous. |
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. |
360 |
Alabastro di Busca, from Busca, Cuneo, Piedmont, Italy |
Banded compact calcite travertine. Note bands of granular white calcite. |
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. |
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. |
538 |
Alabastro di Siena, from Siena, Tuscany, Italy |
Banded yellow calcite, probably a compact banded travertine. |
923 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Compact banded travertine composed mainly of calcite heavily tinted red by hematite. |
928 |
Alabastro a tartaruga, from Montauto, Castelfiorentino, Pisa, Tuscany, Italy |
Compact travertine composed of fine acicular calcite crystals. |
931 |
Alabastro antico, locality unknown |
Compact banded calcite travertine, heavily contaminated with grains of the host limestone. |
932 |
Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Very ferruginous compact banded calcite travertine. |
942 |
Tartaro di Tivoli, from Tivoli, Rome, Lazio, Italy |
Compact banded travertine composed of fibrous to very finely acicular calcite crystals, perhaps originally aragonite. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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). |
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. |
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 . |
303 |
Alabastro a occhi, locality unknown |
Brecciated fine-grained compact banded travertine, with acicular and granular bands of calcite, some dark orange-brown coloured. |
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. |
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. |
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. |
937 |
Alabastro antico, locality unknown |
Compact finely banded calcite travertine, wide paler coloured bands have a more porous texture and contain trapped filler. |
278 |
Marmo conchigliare rosso di Roma, from Rome, Lazio, Italy |
Fossiliferous calcareous sandstone with serpulid worm tubes and bivalve debris. |
96 |
Cipollino rosso, from Kiyi Kislacik, Milas, Mugla Province, Turkey |
Fine to medium-grained folded impure limestone, now weakly metamorphosed to marble but the abundant debris suggesting it was in part a calcarenite. |
94 |
Cipollino mandolato, most probably rosé vif des Pyrénées, from the area west of Esplas-de-Sérou, Ariège, Midi-Pyrénées, France |
Weakly metamorphosed Lower Devonian nodular limestone, somewhat sheared and largely recrystallised; with chlorite coating the nodules. |
93 |
Campan vert, cipollino verde mandolato, from the Haute Pyrénées (probably Pont de la Taulé), France |
Weakly metamorphosed Lower Devonian nodular limestone, the white fine-grained calcareous nodules have heavily chloritised rims in a paler green chlorite/calcite groundmass. |
944 |
Breccia corallina, from Verzirhan, Bilecik,Turkey |
Weakly metamorphosed limestone breccia with stylolitised clast boundaries, and with small cavities filled with sparry calcite. |
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. |
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. |
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. |
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. |
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. |
322 |
Alabastro a giaccione, locality unknown |
Compact finely banded travertine composed of coarsely crystalline brown calcite coating a fossiliferous limestone. Note the abundant fractures. |
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. |
936 |
Alabastro antico, locality unknown |
Limestone breccia. Calcite travertine clasts, and a few gastropod shells, in a micritic (peloidal in places) matrix. |
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. |
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. |
396 |
Breccia traccagnina, locality unknown |
Polymict limestone conglomerate with solution-modified sutured clast boundaries and stylolites. |
394 |
Breccia di Aleppo, from Island of Chíos, North Aegean, Greece |
Polymict limestone conglomerate with solution-modified clast boundaries and stylolites. |
950 |
Breccia corallina, from Verzirhan, Bilecik,Turkey |
Tectonic brecciated limestone breccia, heavily fractured with stylolites and solution-modified clast boundaries. |
169 |
Diaspro tenero di Sicilia, from Taormina, Messina, Sicily, Italy |
Re-sedimented limestone of the Rosso Ammonitico Formation. It is heavily stylolitised, and the colour is diagenetic. |
407 |
Griotte, from the Haute Pyrénées, France |
Lower Devonian red nodular limestone, clay-rich matrix, with extensive solution seams and stylolites |
166 |
Diaspro tenero di Sicilia, libeccio, from Feudo Lalia, Alia, Palermo, Sicily, Italy |
Heavily fractured stylolitised birds-eye limestone with extensive fenestral fabric (calcite-filled vugs). Matrix is fossiliferous peloidal micrite/microspar. |
188 |
Rosso venato di Terni, marmo carnagione, from the province of Terni, Umbria, Italy |
Marly limestone; a Cretaceous-Eocene pelagic limestone from the Scaglia Rossa Formation, the colouring constrained by microfractures to give a 'ruin marble' effect. It is mottled with the shells of planktonic microfossils, and it has prominent stylolites and en echelon sets of white calcite-filled fractures. |
273 |
Lumachella di San Vitale, from San Vitale di Roverè, Verona, Veneto, Italy |
Fossiliferous limestone with large fragments of 'Lithiotis' bivalve. Some contain original calcite microstructure, others are replaced by recrystallised calcite. It has many calcite-filled stylolites and fractures. |