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Dumortierite

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QRI878888

Dumortierite

Ex coll. Burger (CH)
Classic Locality

Description Tabs

Description
Locality: 
Lincoln Hill, Rochester, Pershing County, Nevada, United States of America
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.2 × 1.3 cm
Weight: 
34.00gr
Description

Classic miniature specimen of massive, blue-purple color of dumortierite with its modern label (in German) of the former collection Burger (CH).
The specimen was collected in the pre-1950s.

Historical and sought-after material.

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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