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Benitoite With Neptunite

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QRI914417

Benitoite With Neptunite

Former collection Christian Mavris
Gem Crystal

Description Tabs

Description
Locality: 
San Benito County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.8 × 1.1 cm
Weight: 
7.00gr
Description

An excellent thumbnail featuring half a dozen deep blue benitoite on white, carefully etched natrolite. There are textbook triangular crystal, very brilliant, very lustrous and partially transparent. The peripheral crystals are not complete, and the core crystals are photo worthy subjects. Associated, some classic neptunite.

A rich and good specimen from this classic - now defunct - locality, and with no reserve!

The weight includes the perky box the specimen is mounted in.

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

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