Volkovskite
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Boulby Mine, Loftus, North Yorkshire, England
1261
A rich specimen from the find of exceptional volkosvkite 5 or 6 years ago at Boulby mine. The mica like crystals form a wedge shape with terminated crystals on the upper surface.
Formula: KCa4[B5O8OH]4[B(OH)3]2Cl . 4H2O
Status: Sold
Dimensions: 80x26x26mm
Size: Small Cabinet (S)
Minerals of the English Midlands
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