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Elbaite Lepidolite Topaz & Microlite

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ESM208766

Elbaite Lepidolite Topaz & Microlite

Description Tabs

Description
Locality: 
Virgem Da Lapa, Minas Gerais, Brazil
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.8 × 4.6 × 3.9 cm
Description

Transparent green tourmaline crystals covered by lepidolite, small microlite crystals, topaz crystal on the back

Mineral Data
What's on the rock

Elbaite

Formula: 
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.5
Streak: 
White
Type Locality: 
Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy...

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

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White