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Hastingsite & Magnetite

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CLB93025

Hastingsite & Magnetite

Classic Locality

Description Tabs

Description
Locality: 
Antonsthal, Breitenbrunn, Erzgebirge, Saxony, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 7.2 × 3.5 cm
Description

Very interesting, massive specimen. Was labeled "hastingsite", but this mineral is not listed for the locality. A sample will be analyzed during the auction. Meanwhile I guess it could also be ludwigite.

Mineral Data
What's on the rock

Hastingsite

Formula: 
{Na}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(OH)2
Strunz: 
9.DE.15
Hardness: 
5.0 - 6.0
Type Locality: 
Dungannon Township, Hastings Co., Ontario, Canada

Magnetite

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

Seller Information

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