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Olivine

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PDM618053

Olivine

Description Tabs

Description
Locality: 
Los Hervideros, Yaiza, Lanzarote, Canary Islands, Spain
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.6 × 6.7 × 6.7 cm
Largest Crystal: 
0.90cm
Description

Typical dunite xenolite composed of green fayalite-forsterite grains (olivine), that reach 9 mm, and minor clinopyroxene, in a black porous basaltic lava.

Ex. Gabriel Fauvart, likely self-collected in the 09/1978.

Mineral Data
What's on the rock

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

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