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Harmotome & Calcite

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Harmotome & Calcite

Type Locality

Description Tabs

Description
Locality: 
Samson Mine, St Andreasberg, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 6 × 2.6 cm
Description

Translucent crystals of harmotome with towered stacks of delicate, paperthin calcite crystals forming beautiful threedimensional stalagmites. The harmotome on the specimen are mostly untwinned which is rather rare from the locality.

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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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White
Video

Harmotome+ TYP; St. Andreasberg, Harz, Ger/7.4x6x2.6cm/insta:@weloveminerals

Current price

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Starting price

$10
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Start 11 Feb 13:00
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Shipping Information

Postage Area Price
Germany up to 2 kg (tracked and insured)
6
Europe up to 2 kg (tracked and insured)
14
Non-EU up to 2 kg (tracked and insured)
$24

Seller Information

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