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Mammothite & Cuprite & Devilline

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SKY521816

Mammothite & Cuprite & Devilline

Rare Mineral

Description Tabs

Description
Locality: 
Madonna di Fucinaia Slag Locality, Campiglia Marittima, Campigliese, Livorno Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1.7 cm
Description

Colorful specimen formed by bluish green mammothite, greenish devilline, colorless anglesite and a very curious pseudomorph of a green unkown mineral after cuprite. Very nice under the microscope !

Mineral Data
What's on the rock

Mammothite

Formula: 
Pb6Cu4AlSb5+O2(OH)16Cl4(SO4)2
Strunz: 
7.BC.60
Hardness: 
3.0
Streak: 
Pale blue
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

Cuprite

Formula: 
Cu2O
Strunz: 
4.AA.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Devilline

Formula: 
CaCu4(SO4)2(OH)6·3H2O
Strunz: 
7.DD.30
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
Cornwall, England, UK

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