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Alstonite

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RPL921237

Alstonite

Type Locality

Description Tabs

Description
Locality: 
Brownley Hill Mine, Nenthead, Cumbria, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2.8 × 1.3 cm
Largest Crystal: 
0.30cm
Weight: 
12.00gr
Description

Alstonite is a very rare barium, calcium carbonate and this specimen is from the co-type locality. The vuggy specimen features small sharp pseudo-hexagonal dipyramid crystals set on a baryte and pyrite matrix.

Mineral Data
What's on the rock

Alstonite

Formula: 
BaCa(CO3)2
Strunz: 
5.AB.35
Crystal System: 
Triclinic
Hardness: 
4.0 - 4.5
Streak: 
White
Type Locality: 
Brownley Hill Mine (Bloomsberry Horse Level), Nenthead, Alston Moor District, North Pennines, North and Western Region (Cumberland), Cumbria, England, UK

Current price

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$10
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Start 20 Sep 18:00
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Shipping Information

Postage Area Price
UK Inland
£4.35
Europe
£7
Rest of World
£7

Seller Information

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