Rare mineral and even rarer gemstone. Haüyne falls into the legendary collector rough category
10+ carats is considered a good-size parcel of this unicorn rough
Sourced from the Eifel Region of Germany, this electric blue feldspathoid belongs to the sodalite group. It has a Moh's hardness of 5.5 – 6 and a Refractive Index of 1.498 – 1.507 and intense UV reactivity.
Haüyne of this region in Germany was formed amongst alkaline volcanic rocks in a magma chamber 2 - 4 kilometers deep in the Eifel Mountains. The magma erupted approximately 12,900 years ago and Haüyne is now found throughout the resulting deposits.
We're showing a few photos of gemstones we had faceted from this material for our Gem Dragon Auctions
10+ carats
Estimate: $750 - $800
