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Native Gold & Tourmaline

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CLB587571

Native Gold & Tourmaline

Classic Locality

Description Tabs

Description
Locality: 
Björkdal Mine, Sandfors, Skellefte, Västerbotten County, Sweden
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 1.4 cm
Description

Rich specimen with lots of thin gold sheets in quartz with geen tourmaline or a very translucent actinolite. Gold from Sweden is very hard to get, even though Björkdal was the biggest European gold mine from 1988-99.

Mineral Data
What's on the rock

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

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