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Dolomite With Mica

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MBM813041

Dolomite With Mica

From an old collection of a doctor in chemistry from 1900-1930
Classic Locality

Description Tabs

Description
Locality: 
Simplon Railway Tunnel, Brig, Valais, Switzerland
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.5 × 4 cm
Largest Crystal: 
3.50cm
Weight: 
55.00gr
Description

Interesting combo of remarkable Ankerite with Mica from findings during construction of the two tubes of the tunnel (1898-1905, and 1912-1921) from the Simplon Railway tunnel (north section)

Mineral Data
What's on the rock

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Mica

Group Parent: 
Mica Group
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Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Seller Shipment Germany 6,00 EUR  Europe 9,00 EUR Worldwide shipment 12,00 EUR