Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Fervanite & Kazakhstanite

Views:
Watches:
BCK719084

Fervanite & Kazakhstanite

Martin Jensen collection
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 × 1.8 cm
Description

You are bidding on a rich thumbanil sample with very rich sprays of brown fervanite needles on matrix with black, tiny crystals of kazakhstanite. Martin states on his label that this is the best fervanite found at the locality. Collected in 1992. 

Mineral Data
What's on the rock

Fervanite

Formula: 
Fe3+4V5+4O16·5H2O
Strunz: 
4.HG.05
Hardness: 
0.0
Type Locality: 
Polar Mesa, Polar Mesa District (Polar Mesa), Grand Co., Utah, USA

Kazakhstanite

Formula: 
Fe3+5V4+3V5+12O39(OH)9·9H2O
Strunz: 
8.CB.45
Hardness: 
2.5
Type Locality: 
Balasauskandyk V Deposit, Karatau Range, Southern Kazakhstan Province (Ongtüstik Qazaqstan Oblysy; Yuzhno-Kazakhstanskaya Oblast'), Kazakhstan...

Seller Information

Payment options: offline, paypal_wpp, paypal_wps