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Norrishite & Namansilite

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CHA165501

Norrishite & Namansilite

Description Tabs

Description
Locality: 
Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.4 × 1.8 cm
Description

many nice brown needles of the rare norrishite with red crystals of namansilite on matrix

Mineral Data
What's on the rock

Norrishite

Formula: 
KLiMn3+2(Si4O10)O2
Strunz: 
9.EC.20
Hardness: 
2.5
Type Locality: 
Hoskins mine, Grenfell, Forbes Co., New South Wales, Australia

Namansilite

Formula: 
NaMn3+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.25
Crystal System: 
Monoclinic
Hardness: 
6.0 - 7.0
Streak: 
brown-red
Type Locality: 
Dzhavodi Area, Ir-Nimi manganese deposit, Taikan Ridge, Khabarovskiy Kray, Far-Eastern Region, Russia

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