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Otwayite Nullaginite Pecoraite & Polydymite

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Otwayite Nullaginite Pecoraite & Polydymite

Rare Mineral

Description Tabs

Description
Locality: 
Otway Nickel Deposit, Nullagine, East Pilbara Shire, Western Australia, Australia
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 3 × 2.5 cm
Description

Pale green otwayite in green nullaginite with green pecoraite and black polydimite

Mineral Data
What's on the rock

Otwayite

Formula: 
Ni2(CO3)(OH)2·H2O
Strunz: 
5.DA.15
Hardness: 
4.0
Colour: 
Green
Type Locality: 
Otway Ni deposit, Nullagine, East Pilbara Shire, Western Australia, Australia

Nullaginite

Formula: 
Ni2(CO3)(OH)2
Strunz: 
5.BA.10
Hardness: 
1.5 - 2.0
Type Locality: 
Otway Ni deposit, Nullagine, East Pilbara Shire, Western Australia, Australia

Pecoraite

Formula: 
Ni3(Si2O5)(OH)4
Strunz: 
9.ED.15
Hardness: 
0.0
Type Locality: 
Wolfe Creek meteorite crater, Halls Creek Shire, Western Australia, Australia

Polydymite

Formula: 
Ni2+Ni3+2S4
Strunz: 
2.DA.05
Crystal System: 
Isometric
Hardness: 
4.5 - 5.5
Type Locality: 
Grüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Betzdorf, Siegerland, Rhineland-Palatinate, Germany