Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Magnetite On Actinolite

Views:
Watches:
ZLT599490

Magnetite On Actinolite

Description Tabs

Description
Locality: 
Wallhorn Alp, Timmelbach, Prägraten, Virgen Valley, Tyrol, Austria
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
0.4 × 1.3 × 1 cm
Description

Cluster of actinolite crystals with attached magnetite crystals. The original cover of calcite was dissolved with acetic acid. Collected 1969.

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

Actinolite

Formula: 
☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Strunz: 
9.DE.10
Crystal System: 
Monoclinic - Prismatic
Hardness: 
5.0 - 6.0
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps