Boracite
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Boulby Mine, Loftus, North Yorkshire, England
2112
Two sided boracite specimen with transparent blue-green crystals of good lustre. Unusually, the colour of boracite deepens when viewed in incandescent lighting compared to daylight.
Formula: Mg3B7O13Cl
Status: Sold
Dimensions: 32x23x24mm
Size: Miniature (M)
Minerals of the English Midlands
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