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Aldridgeite & Ktenasite

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UVM718421

Aldridgeite & Ktenasite

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Description Tabs

Description
Locality: 
Kelly Mine, Magdalena, Socorro County, New Mexico, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.3 × 2.3 cm
Description

Blue aldridgeite associated with green ktenasite from the Kelly Mine.   Aldridgeite is a relatively new cadmium bearing sulfate known from just three world localities.

Mineral Data
What's on the rock

Aldridgeite

Formula: 
(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6·3H2O
Crystal System: 
Monoclinic
Hardness: 
3 - 0.0
Type Locality: 
Block 14 opencut, Broken Hill, Yancowinna Co., New South Wales, Australia
Isostructural with: 
Serpierite

Ktenasite

Formula: 
Zn(Cu,Zn)4(SO4)2(OH)6·6H2O
Strunz: 
7.DD.20
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Jean Baptiste Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

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