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Keystoneite & Hessite

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JYJ1086485

Description Tabs

Description
Locality: 
McAlpine Mine, Peñon Blanco Peak, Tuolomne County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 2.5 cm
Description

Grey metallic hessite with yellow keystoneite from the McAlpine mine, Tuolomne, CA, USA. 

Rare mineral. 

 

Mineral Data
What's on the rock

Keystoneite

Formula: 
(Ni,Mg,Fe,Mn)3Te3O9·5H2O
Strunz: 
4.JM.05
Hardness: 
0.0
Type Locality: 
Keystone Mine, Magnolia District, Boulder Co., Colorado, USA

Hessite

Formula: 
Ag2Te
Strunz: 
2.BA.60
Hardness: 
2.0 - 3.0
Streak: 
black
Type Locality: 
Koz'modem'yanskii shaft, Second Zavodinskii Mine (Second Sawodinsk Mine), Zyryanovsk Rayon, Altai Mts (Rudnyi Altai), Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast'), Kazakhstan...

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$10
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Start 03 Dec 18:00
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Shipping Information

Postage Area Price
Germany: Insured parcel 5,50€
5.50
International Warenpost tracked, not insured max 1 kg - 10€
10
EU insured parcel - 14€
14
Worldwide < 5000g insured parcel (UPS/TNT/DHL) 50€
50

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