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Brannockite Fluorapatite Sulphur & Pyrite

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BCK570929

Brannockite Fluorapatite Sulphur & Pyrite

Type Locality

Description Tabs

Description
Locality: 
Foote Mine, Cleveland County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 1.9 cm
Description

You are bidding on a small sample of fresh pegmatite with a couple very large clusters of brannockite crystals in a vug with violet apatite, and a large pyrite crystal which is altered and has tiny crystals of sulfur growing on it. An unsual paragenesis and an exceptional brannockite specimen. 

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

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Sulphur

Formula: 
S8
Strunz: 
1.CC.05
Crystal System: 
Orthorhombic
Hardness: 
1.5 - 2.5

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Seller Information

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