inglese » arabo

inglese)

ozokerite

ozokerite MINER

ozokerite MINER

ozokerite MINER (or ozocerite)

inglese

The crude ozokerite is refined by treatment first with oil of vitriol, and subsequently with charcoal, when the ceresine or cerasin of commerce is obtained. en.wikipedia.org

The purifying process of the ozokerite commonly comprises a treatment with heat and sulfuric acid, but other processes are also in use. en.wikipedia.org

Lipsticks may be made from several waxes such as beeswax, ozokerite and candelilla wax. en.wikipedia.org

inglese