Natrolite India geode Natural Formula:Na2Al2Si3O10 · 2H2O
Colour:White, Colorless, Red, Yellow, Brown, Green, bluish
Lustre:Vitreous, Pearly
Hardness:5 - 5½
Specific Gravity:2.2 - 2.26
Crystal System:Orthorhombic
Member of:Natrolite Subgroup > Zeolite Group
Name:Named in 1803 by Martin H. Klaproth from the Greek natron, "soda," in allusion to its sodium content and lithos, "stone." Not to be confused with natrolite (of William Hyde Wollaston) in 1812 for a soda-bearing scapolite.
Dimorph of:Gonnardite
Zeolite Group, Natrolite subgroup.Zeolite Group, Natrolite subgroup.
Side view of the natrolite geode
4x3x4.5 cm
A great piece of art from nature
This Natrolite is perfect in his shape
Hard to find A real collectors item
Price 299 euro Order-info
