Kornerupine is a rare boro-silicate mineral that is especially rare in gem quality. Specimens have been found in Sri Lanka, Madagascar and Tanzania. It has a hardness of 6-7 on the Mohs scale.

How much is Kornerupine worth? The value of natural Kornerupine varies depending on size, quality and color. Buying direct from AJS Gems you are assured of getting the best value in the market.

All items are in stock and available for purchase


Kornerupine - 3.56 carats
# KRP9482WD
12.97 x 8.45 x 5.34 mm
Unheated, Eye Clean
US $299.00
Kornerupine - 1.48 carats
# KRP9340WD
9.95 x 5.83 x 4.18 mm
Unheated, Eye Clean
US $123.00