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Rock Crystal

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LGM668500

Rock Crystal

Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Göschenen Valley, Uri, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 17 × 4 cm
Largest Crystal: 
3.00cm
Weight: 
1 025.00gr
Description

Piece of granite resp. aplite rock with on-grown, elongated, colorless rock crystals and minor yellowish feldspar (albite?). Good glassy luster. Could be cleaned a little bit more from the residual chlorite in the crotches. The specimen is not sawn at the base.

Comes with nice old Dr. F. Krantz pen and ink label dated around or before 1902. Background: In June 1901, due to passing of some resolutions in the context of a reform of german orthography, the spelling of german "Contor" (branch office) was altered to "Kontor".

Mineral Data
What's on the rock

Rock Crystal

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
Hardness: 
0.0

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+++
Paypal is NOT accepted within Germany! I will charge a supplement of 2.5% for paypal payments within Germany. Bank transfer / offline payment is without costs and usually also completed within one day.
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.