OUTCROP
The blog of the Avon RIGS Group - promoting geology in the West Country
Showing posts with label
Minerals of the Avon region
.
Show all posts
Showing posts with label
Minerals of the Avon region
.
Show all posts
Monday, 18 February 2013
Baryte (BaSO4)
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Minerals of the Avon region Baryte (Barium Sulphate – BaSO 4 ) Colour: White but is often coloured by other minerals to a pink ...
Friday, 20 July 2012
Gypsum (CaSO4 - 2H2O)
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Minerals of the Avon region Gypsum (CaSO 4 – 2H 2 O ) Colour: White but may also be clear, or stained pink...
Saturday, 9 June 2012
Celestine (SrSO4)
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Minerals of the Avon region Celestine (SrSO 4 ) Colour: Light blue (but may also be colourless, yellow or brown) Crystal system...
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