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Tourmaline & Lepidolite

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MGR665130

Tourmaline & Lepidolite

Description Tabs

Description
Locality: 
Cruzeiro Mine, São José da Safira, Minas Gerais, Brazil
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 1.8 × 1.5 cm
Description

The tourmaline is very glossy and translucent; it shows a vibrant blue-green color. It is partely covered with attractive aggregates of light lavender lepidolite. Very nice contrast, really aesthetic assemble. No significant demages to report.

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