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Alstonite

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FRR680731

Alstonite

Description Tabs

Description
Locality: 
Brownley Hill Mine, Nenthead, Cumbria, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 2.5 cm
Largest Crystal: 
0.80cm
Description

Group of white, bipyramidal alstonite crystals to 8 mm, on a matrix of barite.
From the type locality.
Specimen collected in October 1992. The findings of this rare specie have always been quite scarce!

Excellent british classic.

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

The item can be returned for whichever reason, provided its original conditions, and within 10 days from its delivery to the Buyer. In the case of returning, the Buyer will be entitled to the refund of the item price; shipping costs will remain at the Buyer's charge in any case.