Note:  Do not rely on this information. It is very old.


Chrysolite, the transparent variety of olivine (q.v.), (MgOFeO)2, SiO2 of a pale green or yellow colour with a vitreous lustre, colourless streak, and conchoidal fracture, crystallising in the prismatic system, and sometimes occurring in the Levant in masses of considerable size. It is often known as a gem by its French name peridot. Hardness = 6 to 7. Specific gravity = 3.3 to 3.5.