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Fayalite Diopside & Magnetite

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MEX650742

Fayalite Diopside & Magnetite

Description Tabs

Description
Locality: 
Fuerteventura, Canary Islands, Spain
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.8 × 5.3 × 5.4 cm
Weight: 
170.00gr
Description

Typical volcanic ejection of olivine. Here a fayalite-diopside mixture.

The preowner was sure, it's found on fuerteventura in earlier 1980er.

Mineral Data
What's on the rock

Fayalite

Formula: 
Fe2+2SiO4
Strunz: 
9.AC.05
Crystal System: 
Orthorhombic
Hardness: 
7.0
Type Locality: 
Faial Island (Fayal Island), Azores District, Portugal

Diopside

Formula: 
CaMgSi2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.5
Streak: 
white

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Black