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Ktenasite & Gypsum

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MCH571776

Ktenasite & Gypsum

Description Tabs

Description
Locality: 
Glomsrudkollen Mines, Åmot, Modum, Viken, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 3.3 × 1.6 cm
Description

Specimen with plenty of green-blue Ktenasite and. Gypsum from the old zinc mine at Glomsrudkollen.

Mineral Data
What's on the rock

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

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

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