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Neptunite On Crossite

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CLB84978

Neptunite On Crossite

Type Locality

Description Tabs

Description
Locality: 
New Idria District, San Benito County, California, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 3.3 × 3 cm
Largest Crystal: 
1.50cm
Description

Several very nice black neptunite crystals on crossite matrix from the type locality.

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

Seller Information

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