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Zincaluminite

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HCH639629

Zincaluminite

Description Tabs

Description
Locality: 
Genna Zinc Smelter, Letmathe, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 2 cm
Largest Crystal: 
0.10cm
Description

Greyish crystalline aggregates are sitting rich on slag.

Mineral Data
What's on the rock

Zincaluminite

Formula: 
Zn6Al6(SO4)2(OH)16 · 5H2O
Hardness: 
2.5 - 3
Colour: 
White, bluish-white, pale blue; colourless in transmitted light.
Type Locality: 
Hilarion Mine, Lavrion, Attica, Greece

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