Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Tourmaline With Cleavelandite

Views:
Watches:
PCZ575786

Tourmaline With Cleavelandite

Description Tabs

Description
Locality: 
Stak Nala, Gilgit-Baltistan, Pakistan
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2 × 1.8 cm
Description

A well terminated tourmaline crystal with nicely contrasting white cleavelandite crystals. The tourmaline grades in colour from dark green to yellow, light green and finally colourless.

Mineral Data
What's on the rock

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

Cleavelandite

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Hardness: 
0.0
Peter Crozier Minerals