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Benitoite With Neptunite

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NSS518176

Benitoite With Neptunite

Description Tabs

Description
Locality: 
Benitoite Mine, San Benito County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 3 cm
Largest Crystal: 
1.20cm
Description

blue cristals of benitoite terminated with good luster,brown cristal of neptunite.

Mineral Data
What's on the rock

Benitoite

Formula: 
BaTi(Si3O9)
Strunz: 
9.CA.05
Crystal System: 
Hexagonal
Hardness: 
6.0 - 6.5
Type Locality: 
California State Gem Mine (Dallas Gem Mine; Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA

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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