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Manganoneptunite

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JMX852357

Manganoneptunite

self collected

Description Tabs

Description
Locality: 
Demix-Varennes Quarry, Varennes & St-Amable, Montérégie, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.8 × 2.5 cm
Largest Crystal: 
0.30cm
Description

Part of a worm hole in nephiline syenite with half dozen of shiny manganneptunite crystals. Collected in 2017 on  aclub excursion. 

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...

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$45
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Shipping Information

Postage Area Price
Canada
$15
USA
$20
Worldwide
$40