Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Tourmaline & Lepidolite

Views:
Watches:
RBR65676

Tourmaline & Lepidolite

Description Tabs

Description
Locality: 
Minas Gerais, Minas Gerais, Brazil
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6.5 × 4.5 cm
Description

On the side there is a very gemmy, dark green and sharp terminated tourmaline-crystal, 14mm high. It is very translucent and glossy.

 

Mineral Data
What's on the rock

Tourmaline

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

Lepidolite

Synonym Of: 

Mica Group

Formula: 
KLi2Al(Si4O10)(F,OH)2 to K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Group Parent: 
Mica
Hardness: 
2.5 - 3.5
Colour: 
Pink, light purple, light rose red
Streak: 
White
Item Toolbox