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Rusakovite

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Rusakovite

Rare Mineral

Description Tabs

Description
Locality: 
Gold Quarry Mine, Maggie Creek, Eureka County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.5 × 1.2 cm
Description

Outstanding brown balls of the extremely rare mineral rusakovite from the second find of the mineral. I don't know what is the yellow mineral, maybe it is also rusakovite.

Rusakovite is a Fe-Al vanadate.

Analyzed specimen, see copy attached.

Mineral Data
What's on the rock

Rusakovite

Formula: 
(Fe3+,Al)5(VO4,PO4)2(OH)9·3H2O
Strunz: 
8.DF.15
Hardness: 
1.5 - 2.0
Type Locality: 
Balasauskandyk V Deposit, Karatau Range, Southern Kazakhstan Province (Ongtüstik Qazaqstan Oblysy; Yuzhno-Kazakhstanskaya Oblast'), Kazakhstan...

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