HAUYNE (HAüYNE) FOR SALE
Hauyne or haüyne, also called hauynite or haüynite (old name Azure spar), is a rare tectosilicate sulfate mineral. It is a feldspathoid and a member of the sodalite group. Hauyne was first described in 1807 from samples discovered in Vesuvian lavas in Monte Somma, Italy, and was named in 1807 by Brunn-Neergard for the French crystallographer René Just Haüy.
4 Items
($35 to $35)