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Roscoelite & Corvusite & Montroseite

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SHS824442

Roscoelite & Corvusite & Montroseite

Description Tabs

Description
Locality: 
Monument #2 Mine, Yazzie Mesa, Apache County, Arizona, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.4 × 2 cm
Description

Nice roscoelite with corvusite and montroseite in matrix

Mineral Data
What's on the rock

Roscoelite

Formula: 
K(V3+,Al)2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Type Locality: 
Stuckslager Mine (Stuckslacker Mine; Sam Simms Mine), Granite Creek, Coloma, El Dorado Co., California, USA

Corvusite

Formula: 
(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20·6-10H2O
Strunz: 
4.HE.20
Hardness: 
2.5 - 3.0
Type Locality: 
Jack claim, La Sal District, North Mountain, La Sal Mts, Grand Co., Utah, USA

Montroseite

Formula: 
(V3+,Fe3+)O(OH)
Strunz: 
4.FD.10
Hardness: 
5.5 - 6.5
Type Locality: 
Bitter Creek Mine, Paradox Valley, Uravan District, Montrose Co., Colorado, USA