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Travertine

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Travertine Travertine is a white massive concretionary form of calcium carbonate, CaCO3 which is a resultant of deposition by springs (especially hot springs) or rivers. Travertine is usually hard and semicrystalline. It is often found in a beautifully coloured and banded as a result of the iron compounds presence or some other impurities. Generally travertine is less coarse-grained and takes a higher polish than stalactite or stalagmite whose chemical composition and origin are similar.

Physical Properties of Travertine

Light transmission Typically subtranslucent in all but extremely thin pieces
Luster Dull to pearly or even subvitreous.
Miscellany Effervesces with dilute HCl.
Hardness 3-4 Moh's scale
Color Colorless, White, Pink, Yellow, Brown
Density 2.71
Streak White
Specific gravity 1.68

Chemical Properties of Travertine

Flash point 89°F / 31°C
Solubility In water : at 68°F / 20°C : insoluble
In solvents : soluble in many organic solvents like benzene hydrocarbons and chlorinated hydrocarbons, acetone, phthalates,methanol ,ethanol e.t.c.

Uses of Travertine

Occurances of Travertine

Italy Tivoli
California San Luis Obispo County, Los Angeles
Algeria Algiers to Bona
Jurjura and Shellata
Bon-Haifa, Mascara Department
Argentina San Luis Province

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