Kornerupin Kornerupine, sometimes referred to as prismatine, is a rare gemstone first discovered in Greenland named after the Danish explorer Andreas Nikolaus Kornerup. Kornerupine occurs in variety of colors, including white, pink, yellow, brown, green and blue. Kornerupine typically exhibits strong pleochroism, usually from yellowish green to reddish brown. Kornerupine has a hardness of 6.5 to 7 on the Mohs scale and is hard enough for jewelry, but owing to its rarity, it is mainly a collector's stone.
Gesamtbewertung -> 10
I was very pleased with the selection and clarity of the turquoise. I do wish you would state which mines it came from though.
GemSelect has a wide selection of gems with photos of the actual gem that you will be purchasing, not some stock photo. Once a purchase is made, you can print out a certificate of authenticity. You know you are getting the real thing. The pricing is competitive. Their website also has useful information about gems.The website is easy to use. I have made multiple purchases with GemSelect, and I will be back again!