Chrysoprase (quartz)

Appearance:

Translucent/opaque, apple green

Common variations...

Heliotrope (opaque, dark green with red spots)

Common confusions......

Jade, prehnite, smithsonite, variscite and green chalcedony.

Esoteric beliefs and associations...

Associated with the zodiac sign of Cancer, and with the month of May. Also, the greener the stone, the greater its positive influence over matters of employment, money, growth and fertility.

Physical properties...

Chemistry	Silicon dioxide
System/Structure	Hexagonal (microcrystalline aggregate)
Refractive Index	1.530 - 1.539
Specific Gravity	2.58 - 2.64
Mohs' Hardness	6.5 - 7.0