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Bayleyite & Andersonite

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UVM760965

Bayleyite & Andersonite

Radioactive

Description Tabs

Description
Locality: 
D Day Mine Group, Thompsons District, Grand County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 6.5 × 2.5 cm
Description

Bright yellow elongated crystals of bayleyite on matrix with andersonite and gypsum, showing good UV fluorescence.   

Mineral Data
What's on the rock

Bayleyite

Formula: 
Mg2(UO2)(CO3)3·18H2O
Strunz: 
5.ED.05
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Hillside Mine (Happy Jack MS 920 claim; Camp MS 919 claim; Seven Stars MS 916 claim), Bozarth Mesa, Bagdad, Eureka District, Yavapai Co., Arizona, USA

Andersonite

Formula: 
Na2Ca(UO2)(CO3)3·6H2O
Strunz: 
5.ED.30
Crystal System: 
Trigonal
Hardness: 
2.5
Type Locality: 
Hillside Mine (Happy Jack MS 920 claim; Camp MS 919 claim; Seven Stars MS 916 claim), Bozarth Mesa, Bagdad, Eureka District, Yavapai Co., Arizona, USA

Seller Information

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