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Neptunite Iron

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SHS73548

Neptunite Iron

Description Tabs

Description
Locality: 
Lepkhe-Nel'm Mountain, Seidozero Lake, Lovozero Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.4 × 1.7 cm
Description

Neptunite fe crystals on matrix

Mineral Data
What's on the rock

Neptunite

Formula: 
Na2KLi(Fe2+,Mn2+)2Ti2(Si8O24)
Strunz: 
9.EH.05
Hardness: 
5.0 - 6.0
Colour: 
Black
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

Iron

Formula: 
Fe
Strunz: 
1.AE.05
Crystal System: 
Isometric
Hardness: 
4.5
Streak: 
Grey
Type Locality: 
Qeqertarsuaq Island (Disko Island), Qaasuitsup, Greenland