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Fluoborite & Phlogopite

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ALB118491

Fluoborite & Phlogopite

Description Tabs

Description
Locality: 
Xianghualing Mine, Linwu County, Chenzhou, Hunan Province, China (Peoples Republic)
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 3 × 0.7 cm
Largest Crystal: 
1.80cm
Description

The biggest fluoborite i have ever seen from a not still well known locality.

Mineral Data
What's on the rock

Fluoborite

Formula: 
Mg3(BO3)(F,OH)3
Strunz: 
6.AB.50
Crystal System: 
Hexagonal
Hardness: 
3.5
Streak: 
White
Type Locality: 
Tallgruvan, Kallmora, Norberg, Västmanland, Sweden

Phlogopite

Formula: 
KMg3(AlSi3O10)(OH,F)2
Strunz: 
9.EC.20
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 3.0
Streak: 
White