Boracite
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Boulby Mine, Loftus, North Yorkshire, England
1008
Specimen of attractive blue boracite with, large for the specie, aggregated crystals to 4mm of a complex pseudo-tetrahedral habit. Faces have a lighter colour on the edges. Boracite crystals are orthorhombic. (N.B. Boracite colour depth alters when viewed in incandescent lighting and daylight).
Formula: Mg3B7O13Cl
Status: Sold
Dimensions: 62x40x32mm
Size: Small Cabinet (S)
Minerals of the English Midlands
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