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Swinefordite

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SMM766709

Swinefordite

Type Locality

Description Tabs

Description
Locality: 
Foote Mine, Cleveland County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.5 cm
Description

Several crystalline groups of this curious and not spread mineral of the "Smectite Group", in several cavities of the sample. Excellent speciment, from type locality!

Boxed with Label
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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