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Tourmaline With Lepidolite & Feldspar

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BMM726255

Tourmaline With Lepidolite & Feldspar

Floater

Description Tabs

Description
Locality: 
Cruzeiro Mine, São José da Safira, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 5 × 5 cm
Description

Doubly terminated turmaline with great color and luster on feldspar matrix. Bright botryoidal crystallized lepidolite is on tourmaline and feldspar. Several smaller sidecar turmalines are also present. A floater-piece with no visible damage! Even more showy and attractive than the photos suggest.

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

Feldspar

Group Parent: 
Feldspar Group