Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Larisaite & Selenium & Ferroselite

Views:
Watches:
SKY908726

Larisaite & Selenium & Ferroselite

Type Locality

Description Tabs

Description
Locality: 
Repete Mine, Blanding, San Juan County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.3 × 0.6 cm
Description

Yellow crystals of the very rare Se-U mineral larisaite (photo 1) associated to metallic acicular native selenium crystals (photos 2 and 5) and brassy crystal aggregates of the very rare iron selenide ferroselite (photos 3, 4) all of them on a contrasting matrix.

Three selenium species in a single specimen !

Mineral Data
What's on the rock

Larisaite

Formula: 
Na(H3O)(UO2)3(SeO3)O2·4H2O
Strunz: 
4.JH.25
Hardness: 
0.0
Type Locality: 
Repete Mine, Blanding, San Juan Co., Utah, USA

Selenium

Formula: 
Se
Strunz: 
1.CC.10
Crystal System: 
Trigonal
Hardness: 
2.0
Streak: 
red

Ferroselite

Formula: 
FeSe2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5
Streak: 
Black
Type Locality: 
Ust' Uyok deposit (Ust'-Uyuk), Turan District, Tuva Republic, Eastern-Siberian Region, Russia...

Seller Information

Payment options: offline, paypal_wpp, paypal_wps