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Chromite On Olivine

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FCM642127

Chromite On Olivine

Description Tabs

Description
Locality: 
Sven Larsen Quarry, Whatcom County, Washington, United States of America
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.3 × 5.5 × 2.7 cm
Largest Crystal: 
0.40cm
Description

This is a specimen of lustrous metallic grey patches of chromite to 4 mm on massive green olivine from an uncommon Washington State location. Self collected in 2003.

 

Mineral Data
What's on the rock

Chromite

Formula: 
Fe2+Cr3+2O4
Strunz: 
4.BB.05
Hardness: 
5.5
Colour: 
Black
Streak: 
Brown
Type Locality: 
Bastide de la Carrade, Gassin, Var, Provence-Alpes-Côte d'Azur, France...

Olivine

Synonym Of: 

Olivine Group

Formula: 
(Mg,Fe2+)2SiO4
Group Parent: 
Olivine
Crystal System: 
Orthorhombic
Hardness: 
6.5 - 7
Colour: 
Yellowish green, olive green, greenish black, or reddish brown
Streak: 
White

Seller Information

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