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Andersonite & Gypsum

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UVM923837

Andersonite & Gypsum

Radioactive

Description Tabs

Description
Locality: 
D Day #2 Mine, Thompsons District, Grand County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2.6 × 1 cm
Description

Yellow-green pseudocubic crystals of andersonite with gypsum from the D-Day Mines.   Not only is the andersonite brightly fluorescent, even showing a touch of brightness in daylight, but the gypsum also fluoresces brightly making for a stunning U.V. display.

Mineral Data
What's on the rock

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

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Seller Information

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