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Mangano-mangani-ungarettiite & Norrishite

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MNR184205

Mangano-mangani-ungarettiite & Norrishite

Type Locality

Description Tabs

Description
Locality: 
Hoskins Mine, Grenfell, New South Wales, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.5 × 2 cm
Description

Reddish Mangano-mangani-ungarettiite grains in black Norrishite. Mangano-mangani-ungarettiite is only know from 3 localities worldwide so far. Hoskins mine is type locality for both species.

Obtained from Pequa Rare Minerals

Mineral Data
What's on the rock

Mangano-mangani-ungarettiite

Formula: 
NaNa2(Mn2+2Mn3+3)(Si8O22)O2
Strunz: 
9.DE.25
Crystal System: 
Monoclinic
Hardness: 
6.0
Type Locality: 
Hoskins mine, Grenfell, Forbes Co., New South Wales, Australia

Norrishite

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