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Sphalerite Pyrite & Barian Celestine

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BSM199685

Sphalerite Pyrite & Barian Celestine

ex Peter Tye Collection

Description Tabs

Description
Locality: 
Hampstead Farm Quarry, Chipping Sodbury, Gloucestershire, United Kingdom
Size Range: 
Cabinet (10-18 cm)
Size: 
13.3 × 6.7 × 3.9 cm
Description

 A shallow dome of salmon pink barytocelestite is covered with a layer of pyrite crystals on top of which is a scatter of small but lustrous sphalerite crystals.  there is minor ccalcite as scalenohedral crystals pseudomorphed by pyrite and partially overgrown again with calcite.

This dates from around 1984.

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Barian Celestine

Variety Of: 

Celestine

Formula: 
SrSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Formula: 
(Sr,Ba)SO4
Hardness: 
3.0 - 3.5

Seller Information

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