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Anthophyllite

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NST620689

Anthophyllite

Classic Locality

Description Tabs

Description
Locality: 
Paakkila Mine, Tuusniemi, Northern Savonia, Finland
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 3.3 × 2.8 cm
Description

A rarely seen example showing radial aggregates of yellowish white anthophyllite in greenish brown vermiculite from a historic finnish locality. The abandoned anthophyllite asbestos mine and quarry is located 25 km WNW of Outokumpu and worked during the period 1918-1975.

Mineral Data
What's on the rock

Anthophyllite

Formula: 
☐{Mg2}{Mg5}(Si8O22)(OH)2
Strunz: 
9.DE.05
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
5.5 - 6.0
Type Locality: 
Kjennerudvann Anthophyllite Prospect, Kjennerudvann, Kongsberg, Buskerud, Norway