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Neptunite & Unnamed (Fe-analogue of Zakharovite)

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SYM840022

Neptunite & Unnamed (Fe-analogue of Zakharovite)

Rare Mineral

Description Tabs

Description
Locality: 
Aris Quarry, Windhoek Rural, Khomas Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.3 × 1.1 cm
Description

Very nice neptunite crystals with clusters of  zakharovite analogue from Aris Quarries. 

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