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Larisaite with Haynesite & Andersonite

#41062

Larisaite with Haynesite & Andersonite

#41062
Availability
Sold
Size
4 x 2 x 1 cm - Miniature 
Formula
Na(H3O)(UO2)3(Se4+O3)2O2·4H2O (RRUFF)
Locality
Repete mine, San Juan Co., Utah, United States

Goldish yellow almost orange platy crystals of Larisaite with yellow bladed, radial Haynesite. It is hard to discern the two but as they occur together, the Larisaite appears a darker yellow or orange color. The Andersonite under sunlight is a bright fluorescent green crust. In the photos, the Andersonite is seen as a light dull crusts, but it glows in the sun. The Larisaite is extremely rare.

Type Locality

Larisaite

Formula
Na(H3O)(UO2)3(Se4+O3)2O2·4H2
Crystal System
Monoclinic 
Crystal Habit
Lamellar 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
yellow 
Streak
yellow 
Class
Monoclinic - Sphenoidal 
Fracture
Sectile 
Hardness

Data courtesy of Webmineral.

Special Info
Type Locality
Mineralpedia
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On Dakota Matrix
Previously Sold Larisaite
On Dakota Matrix
Other Available Larisaite
WebMineral
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Mindat
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