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Apjohnite

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Apjohnite

Description Tabs

Description
Locality: 
Alum Cave Bluff, Sevier County, Tennessee, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 2 × 1 cm
Description

Colourless apjohnite needles

 

Mineral Data
What's on the rock

Apjohnite

Formula: 
Mn2+Al2(SO4)4·22H2O
Strunz: 
7.CB.85
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0
Type Locality: 
Bahía de Maputo (Maputo Bay; Delagoa Bay; Lourenco Marques Bay), Maputo Province, Mozambique