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Grandviewite & Chalcoalumite

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SKY629350

Grandviewite & Chalcoalumite

Type Locality

Description Tabs

Description
Locality: 
Grand View Mine, Grand Canyon, Coconino County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.9 × 0.5 × 0.5 cm
Description

Sky blue and whitish crystals of the very rare mineral grandviewite associated to darker blue chalcoalumite

Grandviewite has been found in only three localities worldwide.

Mineral Data
What's on the rock

Grandviewite

Formula: 
Cu3Al9(SO4)2(OH)29
Strunz: 
7.BB.60
Hardness: 
2.0 - 0.0
Type Locality: 
Grand View Mine (Last Chance Mine; No. 1 Pat claim 3591; No. 5 Pat claim 3592a; No. 4 Pat claim 3592a; Canyon Copper Mine; Grand Canyon Mine), Horseshoe Mesa, Grandview District, Coconino Co., Arizona, USA

Chalcoalumite

Formula: 
CuAl4(SO4)(OH)12·3H2O
Strunz: 
7.DD.75
Crystal System: 
Monoclinic
Hardness: 
2.5
Streak: 
White
Type Locality: 
Copper Queen Mine (Halero Mine), Queen Hill, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA

Seller Information

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