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Schulenbergite Ktenasite & Gypsum

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AST614882

Schulenbergite Ktenasite & Gypsum

Type Locality

Description Tabs

Description
Locality: 
Kamariza Mines, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4 × 2 cm
Description

Very nice combination of schulenbergite (sky blue botryoidals) with ktenasite (a bit darker blue microcrystals-type locality mineral) on matrix   along with transparent gypsum.Fine old time material from Lavrion.

Mineral Data
What's on the rock

Schulenbergite

Formula: 
(Cu,Zn)7(SO4,CO3)2(OH)10·3H2O
Strunz: 
7.DD.80
Crystal System: 
Trigonal
Hardness: 
2.0
Type Locality: 
Glücksrad Mine, Oberschulenberg, Bockswies veins, Clausthal-Zellerfeld, Harz, Lower Saxony, 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

Gypsum

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

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