Vesuvianite

Vesuvianite – (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10
Class: Silicates – Sorosilicates
Crystal System: Tetragonal
Hardness: 6.5
Quartz
Talc (1)Diamond (10)
Scratches glass. Harder than a steel knife.
Origin: Jeffrey Mine, Asbestos, Quebec – Canada
Did you know?

A massive green vesuvianite from California looks so much like jade that around 1900 Tiffany and Company mined it, named it californite, and shipped it all the way to China to be carved by jade workers there. The mineral is not jade at all, just a convincing stand-in.