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Native Selenium & Fluorwavellite

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UVM817057

Native Selenium & Fluorwavellite

Classic Locality

Description Tabs

Description
Locality: 
Willard Mine, Pershing County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 5.5 × 4.4 cm
Description

Silvery grey needles of native selenium, perched on finely crystallized fluorwavellite forming sprays in large vugs around matrix.   Beautiful both to the naked eye and under magnification, and the white clusters of fluorwavellite provide an excellent contrast to the minute selenium needles.

Mineral Data
What's on the rock

Selenium

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

Fluorwavellite

Formula: 
Al3(PO4)2(OH)2F·5H2O
Strunz: 
8.DC.50
Crystal System: 
Orthorhombic
Hardness: 
3½ - 4
Colour: 
Green to yellowish-green and yellow
Streak: 
White
Type Locality: 
Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA Or Wood Mine, Del Rio, Del Rio District, Cocke Co., Tennessee, USA

Seller Information

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