Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Cordierite

Views:
Watches:
MCH113379

Cordierite

ex Dr. Harry von Eckermann Collection

Description Tabs

Description
Locality: 
Søndeled, Risør, Agder, Norway
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4 × 4 cm
Largest Crystal: 
1.00cm
Description

Numerous dark green coloured, partially well developed crystals of cordierite in quartz; the specimen is from the collection of the famous Swedish mineralogist Harry von Eckermann († 1969, after him called the mineral Eckermannite) and is followed by an original label bonded in a cardboard box.

Mineral Data
What's on the rock

Cordierite

Formula: 
(Mg,Fe)2Al3(AlSi5O18)
Strunz: 
9.CJ.10
Crystal System: 
Orthorhombic
Hardness: 
7.0 - 7.5
Type Locality: 
Großer Arber, Bayerisch Eisenstein, Lower Bavaria, Bavaria, Germany

Seller Information

Payment options: offline, paypal_wpp, paypal_wps