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Chongite Gajardoite & Torrecillasite

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BCK642851

Chongite Gajardoite & Torrecillasite

Type Locality

Description Tabs

Description
Locality: 
Torrecillas Mine, Salar Grande, Iquique Province, Tarapacá Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.3 × 2.6 cm
Description

You are bidding on a small sample with a fracture surface host to small vugs with tiny hexagonal plates of gajardoite, single colorless prisms and radial clusters of chongite and tiny groups of torrecillasite needles. Good sample of all three type locality species. 

Mineral Data
What's on the rock

Chongite

Formula: 
Ca3Mg2(AsO4)2(AsO3OH)2·4H2O
Group Parent: 
Hureaulite
Crystal System: 
Monoclinic
Hardness: 
Streak: 
White
Type Locality: 
Torrecillas Mine, El Tamarugal Province, Tarapacá Region, Chile

Gajardoite

Formula: 
KCa0.5As43+O6Cl2 · 5H2O
Crystal System: 
Hexagonal
Hardness: 
Streak: 
White
Type Locality: 
Torrecillas Mine, El Tamarugal Province, Tarapacá Region, Chile
Isostructural with: 
Lucabindiite

Torrecillasite

Formula: 
Na(As,Sb)3+4O6Cl
Hardness: 
2.5 - 0.0
Colour: 
Colorless
Streak: 
White
Type Locality: 
Torrecillas mine, Salar Grande, El Tamarugal Province, Tarapacá Region, Chile

Seller Information

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