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Nelenite

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JYJ744217

Nelenite

Description Tabs

Description
Locality: 
Huanggang Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.7 × 2 cm
Description

Pale brown nelenite aggregates from the Huanggang Fe-Sn deposit on calcite matrix. 

Rich specimen of this unusual mineral. 

 

Mineral Data
What's on the rock

Nelenite

Formula: 
(Mn,Fe)16(Si12O30)(OH)14[As3+3O6(OH)3]
Strunz: 
9.EE.15
Crystal System: 
Monoclinic
Hardness: 
5.0
Type Locality: 
Trotter Mine (Lehigh Mine), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA