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Hastingsite

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NST681669

Hastingsite

Classic Locality

Description Tabs

Description
Locality: 
Stenzelberg, Siebengebirge, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.6 × 1.4 cm
Largest Crystal: 
2.60cm
Description

A 2.6 cm crystal fragment of Hastingsite on volcanic rock from abandoned Stenzelberg quarry.

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