Chemical: Ca2Al3 (SiO4)3(OH)
Crystal System: Orthorhombic
Formation: Mostly in granite intrusions
Properties: Zoisite is the mineral from which tanzanite is found. There is a green colored gemstone that is called green zoisite. The purple transparent variety is tanzanite.
Ruby crystal in green zoisite from Tanzania
|© 2014 YourGemologist.com and Robert James FGA, GG. All Rights Reserved. Free download for personal reference and study only. No part of this website may be copied, duplicated, distributed or posted to another website without the expressed written consent of the copyright holder.|