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Chiolite & Elpasolite

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BCK588120

Chiolite & Elpasolite

Rare Mineral

Description Tabs

Description
Locality: 
Morefield Mine, Winterham, Amelia County, Virginia, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1 × 0.9 cm
Description

You are bidding on an exceptional sample of chiolite from this unusual find in this small Virginia mine. There are numerous, perfect and quite large, twinned crystals of chiolite with sandy elpasolite crystals and perhaps some ralstonite. From material studied and verified by Lance Kearns. 

Mineral Data
What's on the rock

Chiolite

Formula: 
Na5Al3F14
Strunz: 
3.CE.05
Hardness: 
3.5 - 4.0
Type Locality: 
Pit No. 69 (G.I. Gasberg's Topaz-Cryolite Pit), Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Elpasolite

Formula: 
NaK2[AlF6]
Strunz: 
3.CB.15
Hardness: 
2.5
Streak: 
White
Type Locality: 
St Peters Dome, Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA

Seller Information

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