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Noelbensonite & Namansilite

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SER731718

Noelbensonite & Namansilite

Description Tabs

Description
Locality: 
Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1 × 0.8 cm
Description

Light brown masses of noelbensonite with reddish elongated crystals of namansilite

Mineral Data
What's on the rock

Noelbensonite

Formula: 
BaMn3+2(Si2O7)(OH)2·H2O
Strunz: 
9.BE.05
Crystal System: 
Orthorhombic
Hardness: 
4.0
Type Locality: 
Woods Mine (Wood's Rhodonite Mine), Tamworth, Darling 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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