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Brannockite

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BCK502892

Brannockite

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Type Locality

Description Tabs

Description
Locality: 
Foote Mine, Cleveland County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 4.8 × 1.9 cm
Description

You are bidding on an absolutely fantastic specimen of brannockite from the type locality. At least 40 perfect crystals up to 1.5mm are growing on violet fluorpatite and albite. The crystals are absolutely transparent so are difficult to photograph. Brannockite fluoresces bright blue in SWUV. A really top drawer specimen of this rare mineral. 

Mineral Data
What's on the rock

Brannockite

Formula: 
(K,Na)□2Li3(Sn,Zr,Ti)2[Si12O30]
Strunz: 
9.CM.05
Hardness: 
5.0 - 6.0
Type Locality: 
Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland Co., North Carolina, USA

Seller Information

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