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Magnetite & Spessartine

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PJM81661

Magnetite & Spessartine

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Aggeneys, Namakwa District, Northern Cape Province, South Africa
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.4 × 1.8 cm
Description

A large and very sharp, euhedral magnetite crystal on brassy chalcopyrite & galena ore matrix.

The magnetite is 1.8 cm across, and has very good luster and beautiful complex form, associated with the magnetite is a flattened dark red spessartine crystal with a metallic sheen.

There is some damage to the magnetite, but still a good specimen with an uncommon association.

Mineral Data
What's on the rock

Magnetite

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

Spessartine

Formula: 
Mn2+3Al2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.5
Streak: 
White
Type Locality: 
Sommer quarry, Wendelberg, Haibach, Aschaffenburg, Spessart, Franconia, Bavaria, Germany
Earthstones Australia

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

All goods must be paid for prior to shipping, all bids are binding.