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Manganoneptunite

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SYM173348

Manganoneptunite

Rare Mineral

Description Tabs

Description
Locality: 
Demix-Varennes Quarry, Varennes & St-Amable, Montérégie, Québec, Canada
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 1 × 3 cm
Description

Long sharp line of terminated dark red crystals. .

Mineral Data
What's on the rock

Manganoneptunite

Formula: 
Na2KLi(Mn2+,Fe2+)2Ti2[Si8O24]
Strunz: 
9.EH.05
Crystal System: 
Monoclinic
Hardness: 
5.0 - 6.0
Colour: 
Red
Type Locality: 
Maly Mannepakhk Mt (Malyi Mannepakhk Mt), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...