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Tyuyamunite With Calcite

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QRI671858

Tyuyamunite With Calcite

Former Bruno Cerato stock
Radioactive

Description Tabs

Description
Locality: 
Mi Vida Mine, Big Indian District, San Juan County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.7 × 2 cm
Description

Rich plate of tyuyamunite covering a drusy of calcite. Calcite is brown, possibly because 'cooked' by the radiation of tyuyamunite. The latter makes a thin canary yellow bright coating, rather powdery, although extremely contrastful.
Very good specimen for the specie, from a famous find in the early 2000s. Former Bruno Cerato collection and stock.

Boxed with Label
Mineral Data
What's on the rock

Tyuyamunite

Formula: 
Ca(UO2)2(VO4)2·5-8H2O
Strunz: 
4.HB.25
Hardness: 
1.5 - 2.0
Type Locality: 
Tyuya-Muyun Cu-V-U deposit (Radium Mine), Alai Range (Alay Range), Osh Oblast, Kyrgyzstan

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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