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Fluoborite

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SER923723

Fluoborite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
New Method Mine, Amboy, San Bernardino County, California, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3.1 × 1.5 cm
Description

white and colourless fluoborite crystals on matrix

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