Boracite

Reference: 2006

Double sided specimen with pastel-green spheroidal boracite partly overgrown on one side by a second generation of transparent pale blue crystals. Boulby mine no longer works the evaporite bed where the boracite occured. The colour of boracite deepens when viewed in incandescent lighting compared to daylight.

Formula: Mg₃B₇O₁₃Cl

Price: £24.00

Status: Available

Dimensions: 42x32x15mm

Size: Miniature (M)