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Hellyerite & Zaratite

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ESM636207

Hellyerite & Zaratite

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Description
Locality: 
Lord Brassey Mine, Heazlewood, Waratah-Wynyard Municipality, Tasmania, Australia
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 4.5 × 4 cm
Description

Pale green hellyerite crystals with dark green zaratite crystals

Mineral Data
What's on the rock

Hellyerite

Formula: 
NiCO3·6H2O
Strunz: 
5.CA.20
Hardness: 
2.5
Type Locality: 
Lord Brassey Mine, Heazlewood district, Tasmania, Australia

Zaratite

Formula: 
Ni3CO3(OH)4·4H2O
Strunz: 
5.DA.15
Crystal System: 
Isometric
Colour: 
Green
Type Locality: 
Manolita mine, Teixidelo, La Coruña, Galicia, Spain