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Witherite

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PDM632878

Witherite

Fluorescent

Description Tabs

Description
Locality: 
Settlingstones Mine, Newbrough, Northumberland, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 3.6 × 3 cm
Description

Aggregate of white and pale cream coloured witherite crystals with a low development of prim faces. The crystals are flattened, pseudohexagonal doe to twinning on {110} with moderate lustre. Historic, old-time material and good specimen for the locality. Yellow fluorescent under long UV illumination.

Ex. Walter De Keersmaecker.

Mineral Data
What's on the rock

Witherite

Formula: 
BaCO3
Strunz: 
5.AB.15
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Brownley Hill Mine (Bloomsberry Horse Level), Nenthead, Alston Moor District, North Pennines, North and Western Region (Cumberland), Cumbria, England, UK

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