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Siderite With Cryolite

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LGM757434

Siderite With Cryolite

Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Ivigtut, Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 4 cm
Weight: 
87.00gr
Description

Brown rhombohedrons of siderite frozen in white cryolite matrix, looking like ice. A classic from the (meanwhile closed) world's only mine for cryolite.

Comes with nice old Dr. F. Krantz pen and ink label dated 1900-1920. 'Eisenspat' is an old german synonym for siderite.

Mineral Data
What's on the rock

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Cryolite

Formula: 
Na3[AlF6]
Strunz: 
3.CB.15
Crystal System: 
Monoclinic
Hardness: 
2.5
Streak: 
White
Type Locality: 
Ivigtut Cryolite deposit, Ivittuut (Ivigtut), Arsuk Fjord, Sermersooq, Greenland

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.

If for any reason you are not happy with any aspect of your transaction, please let me know as soon as possible, ideally within 1 week of receiving your specimen.

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

+++IMPORTANT+++
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Within EU countries, bank transfer is also possible but not mandatory. I will offer free shipping or a discount in some cases. Please ask after receiving your invoice.