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Macquartite & Dioptase

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CR209468

Macquartite & Dioptase

Type Locality
Rare Mineral

Description Tabs

Description
Locality: 
Mammoth - St Anthony Mine, Tiger, Mammoth District, Pinal County, Arizona, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 3.6 × 2.7 cm
Description

Yellowbrown microcrystals of macquartite with gemmy green dioptase crystal groups very rich on the surface of the specimen.

Beautiful and rare - ex Armin Wendland collection.

Mineral Data
What's on the rock

Macquartite

Formula: 
Cu2Pb7(CrO4)4(SiO4)2(OH)2
Strunz: 
9.HH.05
Hardness: 
3.5
Type Locality: 
Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA

Dioptase

Formula: 
CuSiO3·H2O
Strunz: 
9.CJ.30
Crystal System: 
Trigonal
Hardness: 
5.0
Streak: 
Green
Type Locality: 
Altyn-Tyube dioptase deposit (Altyn-Tube), Altyn-Tyube area, Kirghiz Steppes (Asiatic Steppes), Karagandy Province (Qaragandy Oblysy; Karaganda Oblast'), Kazakhstan...