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Lahnsteinite & Ktenasite

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JYJ665799

Lahnsteinite & Ktenasite

Description Tabs

Description
Locality: 
Jean Baptiste Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 1.8 cm
Description

Triclinic lahnsteinite among greenish-blue ktenasite. Rich sample!

Mineral Data
What's on the rock

Lahnsteinite

Formula: 
Zn4(SO4)(OH)6·3H2O
Hardness: 
0.0
Type Locality: 
Friedrichssegen Mine, Frücht, Bad Ems District, Lahn valley, Rhineland-Palatinate, Germany

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