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Harmotome

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QRI1077755

Harmotome

Ex coll. Kasper (CH)
Classic Locality

Description Tabs

Description
Locality: 
Idar-Oberstein, Birkenfeld, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6.5 × 1.1 cm
Largest Crystal: 
0.50cm
Weight: 
51.00gr
Description

Rich plate consisting of tens of elongated harmotome crystals grown on a dark brown matrix.

From the Swiss collection Kasper, assembled in the 1970s. Quite conspicuous.

Mineral Data
What's on the rock

Harmotome

Formula: 
(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O
Strunz: 
9.GC.10
Crystal System: 
Monoclinic
Hardness: 
4.0 - 5.0
Streak: 
White
Type Locality: 
St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany

Current price

Starting price

10
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Start 09 Apr 10:00
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Shipping Information

Postage Area Price
Italy (Pacco Celere 3)
10
Europe/Mediterranean Basin (Tracked; Zone 1)
15
Americas, Asia, Africa (Tracked; Zone 2)
20
Australia & Oceania (Tracked; Zone 3)
25

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Shipping within 15 days after payment received, unless specified/agreed otherwise.

Combined shipping is possible, please inquire for details.

Bid History

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