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Alstonite from
A4119 roadcutting, Llantrisant, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK



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A4119 roadcutting, Llantrisant, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK
© Ian Jones
Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Alabaster, C. 1990. Alstonite and barytocalcite from Llantrisant, South Wales and barytocalcite from Holwell, Mendip Hills, England. Journal of the Russell Society, 3, 1-6.
Comments
Crystals typically 1mm or less, commonly replaced by barite
Mineral and/or Locality
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