Kyanite

Introduction: This is a mineral that is formed in metamorphic rocks under high pressure and a somewhat low temperature. The Greek word kyanos means 'blue', which is the most frequently found colour of this mineral.

Distribution: The schists between the old Gorob Mine offices and the Kuiseb River. It has also been mined in the Rehoboth area, on farm Bethlehem 27 in the Windhoek District, where several other kyanite locations occur.

Composition: Silicate

Crystal system: Triclinic

Lustre: Vitreous, pearly

Streak: White

Hardness: 4-7.5