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Dumortierite

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PDM860172

Dumortierite

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Description
Locality: 
Champion Mine, Sacramento, Pershing County, Nevada, United States of America
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.2 × 2.9 cm
Weight: 
54.00gr
Description

A rich specimen of blue crystalline dumortierite masses, visible at all surfaces of the white albite matrix. Nice colourful piece from an uncommon locality.

Acquired in 1991. Ex Dr. Bob Janssens #2058.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Dumortierite

Formula: 
(Al,Fe3+)7(SiO4)3(BO3)O3
Strunz: 
9.AJ.10
Crystal System: 
Orthorhombic
Hardness: 
7.0 - 8.0
Type Locality: 
Ducarre's Quarry, Beaunant, Chaponost, Rhône, Rhône-Alpes, France...

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