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Hydroboracite On Anhydrite

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PDM1020312

Hydroboracite On Anhydrite

Description Tabs

Description
Locality: 
Kohnstein Quarry, Niedersachswerfen, Nordhausen District, Thuringia, Germany
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12.6 × 10 × 5.7 cm
Weight: 
838.00gr
Description

Thin radiating hydroboracite crystals of good vitreous lustre, on the surfaces of a block of microcrystalline anhydrite. The specimen surpass 0.8 Kg and one surface is especially rich in this thin prismatic hydroboracite crystals.

Acquired by Manfred Fabig in Sept./7th/1991.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Hydroboracite

Formula: 
CaMg[B3O4(OH)3]2·3H2O
Strunz: 
6.CB.15
Hardness: 
2.0
Type Locality: 
Inder B deposit and salt dome, Atyrau (Gur'yev), Atyrau Province (Atyrau Oblysy; Atyrau Oblast'), Kazakhstan...

Anhydrite

Formula: 
CaSO4
Strunz: 
7.AD.30
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Type Locality: 
Salt mine, Hall valley, Hall, Innsbruck, Inn valley, North Tyrol, Tyrol, Austria

Current price

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10
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Start 24 Apr 18:00
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Shipping Information

Postage Area Price
Belgium <2Kg (Unregistered)
7
NL, DE, FR, LU <2Kg (Unregistered)
11
Rest EU <2Kg (Unregistered)
13
EUROPE (NO EU) <2Kg (Unregistered)
15
USA <2Kg (Unregistered)
18
REST OF THE WORLD <2Kg (Unregistered)
20

Seller Information

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