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Glaucocerinite Natroglaucocerinite Allophane & Gibbsite

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AST509985

Glaucocerinite Natroglaucocerinite Allophane & Gibbsite

Type Locality

Description Tabs

Description
Locality: 
Kamariza Mines, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 6 × 2 cm
Description

A rare combination specimen holding two type locality Lavrion minerals (all minerals analyzed).

Mineral Data
What's on the rock

Glaucocerinite

Formula: 
(Zn1-xAlx)(OH)2(SO4)x/2·nH2O
Strunz: 
7.DD.35
Crystal System: 
Hexagonal
Hardness: 
1.0
Type Locality: 
Serpieri Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

Natroglaucocerinite

Formula: 
Zn6Al3(OH)18[Na(H2O)6](SO4)2•6H2O
Strunz: 
7.DD.35
Crystal System: 
Hexagonal
Type Locality: 
Hilarion Mine, Lavrion District Attica, Greece OR Serpieri Mine, Lavrion District, Attica, Greece...

Allophane

Formula: 
(Al2O3)(SiO2)1.3-2·2.5-3H2O
Strunz: 
9.ED.20
Crystal System: 
Amorphous
Hardness: 
3.0
Streak: 
White
Type Locality: 
Gräfenthal, Thuringian Forest, Thuringia, Germany

Gibbsite

Formula: 
Al(OH)3
Strunz: 
4.FE.10
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Richmond, Berkshire Co., Massachusetts, USA

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