Natrolite 0.35 ct.

Natrolite

is a Hydrated sodium aluminun silicate with formula Na2Al2Si3O10-2H2O and hardness of 5-5.5.

It belogn to the zeolite series very close with scolecite and mesolite. The crystals formation is always a spray of needles,when in cluster with radiating structures.

Not many stones in the market and therefore is considered a rare gem.

From Mt. Yukspor,Khibiny,Kola Peninsula,Russia.

  Clean.

Size:5x5x3.2 mm.

Weight:0.35 ct.

CODE#4256