Serpentine

---

Photo courtesy of Scott Papper, GIA GG, AJP, CM (NAJA), Global Gemology & Appraisals

Species:  Serpentine
Mohs Hardness:  3 to 6 out of 10
Color:  Semi-transparent to opaque, yellowish green to green, to greenish yellow
RI:  1.560 to 1.570 (+0.004 /- 0.070)
Birefringence:  Usually not detectable
SR/DR/AGG:  AGG
Fluorescence:  Not diagnostic
SG:  2.57 (+0.23 / -0.13)

Serpentine facts

Serpentine is a translucent green gem that is often confused for jade.

Serpentine got its name due to green color, patterned appearance and slippery, serpent-like feel.

It has a relatively low hardness, making it a good gem for carvings and sculptures.
​