Eudialyte or eudyalite is a
Sodium Calcium Cerium Iron Manganese Zirconium Silicate Hydroxide Chloride with formula Na4(Ca, Ce, Fe, Mn)2ZrSi6O17(OH, Cl)2 and hardness 5-5.5.
A very interesting and unusual mineral with rare elements such as Zirconium, Cerium and sometimes traces of Yttrium. Rarely found with a good crystal shape, often is in a massive form cracked or translucent.Nevertheless it’s attractive color makes a desirable gem for collectors.
This gem here has several inclusions and comes from Kipawa Alcalyne Complex, Villedieu Tow., Quebec, Canada
Weight: 8.31 ct.