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Cordierite

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LGM577270

Cordierite

Ex J. Sasamoto, Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Mount Asama, Nagano Prefecture, Honshu Island, Japan
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.1 × 4.3 × 2.5 cm
Weight: 
23.00gr
Description

A volcanic ejection rock from Asama volcano is hosting mm-sized grains and crystals of sky-blue cordierite.

An interesting historic specimen, comes with old J. Sasamoto collection label. Shinano was a historic province of Japan in the area of modern Nagano prefecture.

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

Seller's terms and conditions

Thank you for viewing my auctions! Maintaining high standards in customer service is extremely important to me. If shipping takes longer than expected, please contact me. It is possible to file an investigation request, and during nearly ten years of e-rocks NO parcel was finally lost.

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I will happily do all in my power to resolve the situation to your satisfaction.

+++IMPORTANT+++
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