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Magnesite Var Pinolite

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CLB567220

Magnesite Var Pinolite

Description Tabs

Description
Locality: 
Sunk, Hohentauern, Niedere Tauern, Styria, Austria
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
14.2 × 11.8 × 1.5 cm
Weight: 
602.00gr
Description

Big slice of pinolite - a variety of magnesite, named for it's pine-seeds like grains, cemented by graphite-pigmented dolomite (gray lines). The material is found only at this one locality.

Nice slice, both sides polished. Unfortunately the slice has a base cut.

Mineral Data
What's on the rock

Magnesite

Formula: 
MgCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White
Type Locality: 
Magnisía Prefecture (Magnesia), Thessalia Department (Thessaly), Greece

Pinolite

Mixture Of: 

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Hardness: 
3.5 - 4.0

Graphite

Formula: 
C
Strunz: 
1.CB.05a
Hardness: 
1.0 - 2.0

Magnesite

Formula: 
MgCO3
Strunz: 
5.AB.05
Hardness: 
3.5 - 4.5

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