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Bakerite & Danburite

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BCK524083

Bakerite & Danburite

Rare Mineral

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Description
Locality: 
Charcas, Charcas Municipality, San Luis Potosi, Mexico
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
0.9 × 1 × 0.6 cm
Description

You are bidding on a small specimen with a group of danburite crystals that has been coated and partially replaced by botryoidal crystal groups of rare bakerite. 

Mineral Data
What's on the rock

Bakerite

Formula: 
Ca4(H5B5Si3O20)
Strunz: 
9.AJ.20
Hardness: 
4.5
Type Locality: 
Corkscrew Canyon Mine (Corkscrew Mine), Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA

Danburite

Formula: 
CaB2Si2O8
Strunz: 
9.FA.65
Crystal System: 
Orthorhombic
Hardness: 
7.0 - 7.5
Streak: 
White
Type Locality: 
Danbury, Fairfield Co., Connecticut, USA

Current price

$

Starting price

$10
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Start 05 Mar 18:00
End
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