Chatoyancy in quartz

Weight: 12.14 ct
Size: 15.0 x 12.8 x 8.4 mm


In this quartz, cat’s eye effect is caused by tiny needles of crocidolite, a fibrous form of riebeckite or magnesioriebeckite.
Fantastic gem for collectors and for jewelry!

Color: brownish yellow
Cut: oval cabochon
Treatments: not treated in any way
Origin: Brazil