Old Mellite Barrel Beads Bracelet

الوصف

Commodity name: Old Mellite Barrel Beads Bracelet
Size:*1x*7mm *8g
Model: ***2
 

Mellite, also called honeystone, is an unusual mineral being also an organic chemical. Chemically identified as an aluminiumsalt of mellitic acid; that is, aluminium benzene hexacarboxylate hydrate, with the chemical formula Al2C6(COO)6·*6H2O.

It is a translucent honey-coloured crystal which can be polished and faceted to form striking gemstones. It crystallizes in thetetragonal system and occurs both in good crystals and as formless masses. It is soft with a Mohs hardness of 2 to 2.5 and has a low specific gravity of 1.6.

It was discovered originally in ***9 at Artern in Thuringia in Germany it has subsequently also been found in Russia, Austria, theCzech Republic, and Hungary. It was named from the Greek μέλ˘ι, "melis" for honey, in allusion to its color.

It is found associated with lignite and is assumed to be formed from plant material with aluminium derived from clay.