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Olmsteadite

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Olmsteadite

Type Locality

Description Tabs

Description
Locality: 
Big Chief Mine, Keystone, Glendale, Pennington County, South Dakota, United States of America
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.1 × 0.1 × 0.1 cm
Description

Single grain o very rare (two location only!!!) Olmsteadite fromclassic and Type Locality! Analyzed!

Mineral Data
What's on the rock

Olmsteadite

Formula: 
KFe2+2(Nb5+,Ta5+)(PO4)2O2·2H2O
Strunz: 
8.DJ.05
Hardness: 
4.0
Type Locality: 
Big Chief Mine (Johnson pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

We want you to be pleased with your purchase. If for any reason you are not completely satisfied, you may exchange or credit your purchase. If a package is lost or damaged, please report the problem immediately.

Any questions or comments please email us at: [email protected]

Thank you for your bidding!