Round washbasin in pure Onyx marble stone 45 x h. 15 cm.

Size 45 x h. 15 cm. 

First choice - CERTIFIED © 

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With the name of onyx two completely different types of rocks are indicated: siliceous onyx normally black streaked with white with SiO2 composition. n H2O, similar to chalcedony (but not quartz, which is crystalline), found in Brazil, Mexico, and other places; and thelimestone onyx, also known as "alabastrite onyx", "etoca onyx" or "Egyptian onyx", which is composed of CaCO3 (the one from Montaione is brown or light green that of Pakistan) the most renowned and sought-after are gold onyx and beige onyx.