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Galaxite Alleghanyite & Kellyite

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CAM535383

Galaxite Alleghanyite & Kellyite

Type Locality

Description Tabs

Description
Locality: 
Bald Knob, Sparta, Alleghany County, North Carolina, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.6 × 1.4 cm
Description

Red brown grains of galaxite and alleghanyite in light pink kutnohorite matrix, with some minor tiny yellow flakes of kellyite.

Mineral Data
What's on the rock

Galaxite

Formula: 
(Mn,Fe,Mg)(Al,Fe)2O4
Strunz: 
4.BB.05
Hardness: 
7.5
Type Locality: 
Bald Knob deposit (Primary ore body; Crouse Knob deposit), Bald Knob, Sparta, Alleghany Co., North Carolina, USA

Alleghanyite

Formula: 
Mn2+5(SiO4)2(OH)2
Strunz: 
9.AF.45
Crystal System: 
Monoclinic
Hardness: 
5.5
Type Locality: 
Bald Knob, Sparta, Alleghany County, North Carolina, United States of America

Kellyite

Formula: 
Mn2+2Al(AlSiO5)(OH)4
Strunz: 
9.ED.15
Hardness: 
2.5
Type Locality: 
Bald Knob deposit (Primary ore body; Crouse Knob deposit), Bald Knob, Sparta, Alleghany Co., North Carolina, USA
Cartils Minerals

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