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Swinefordite

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SKY812104

Swinefordite

Rare Mineral

Description Tabs

Description
Locality: 
Foote Mine, Cleveland County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.3 × 1 cm
Description

Yellowish crystals of the rare mineral swinefordite from the type locality in Foote Lithium mine and one of the very few localities known worldwide

Ex Vandenbroucke Museum collection specimen, from Waregem, Belgium.

Mineral Data
What's on the rock

Swinefordite

Formula: 
Li(Al,Li,Mg)4((Si,Al)4O10)2(OH,F)4·nH2O
Strunz: 
9.EC.45
Hardness: 
1.0
Streak: 
White
Type Locality: 
Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland Co., North Carolina, USA

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