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Neptunite & Joaquinite

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ESM638757

Neptunite & Joaquinite

Description Tabs

Description
Locality: 
Benitoite Mine, San Benito County, California, United States of America
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.5 × 5 × 3.5 cm
Description

Dark red almost black neptunite crystals with brown joaquinite cubes 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