Boracite

Reference: 1732

Early pastel-green spheroidal boracite over which a secomd generation of transparent blue crystals have formed, all on a matrix of massive boracite. Boulby mine no longer work the evaporite bed where the boracite occured. Sawn base. The colour of boracite deepens when viewed in incandescent lighting compared to daylight.

Formula: Mg₃B₇O₁₃Cl

Status: Sold

Dimensions: 59x40x27mm

Size: Miniature (M)