Gemstones - Precious Gems
Peridot
Peridot (peri-dot) is gem quality Olivine. It has become popular as an affordable green gem.
The best hues are yellow-green to green with as little olive as possible. The brightest and best peridot might be described as "lime-green jello".
Properties of Peridot
- Crystal System -Orthorhombic
- Hardness - 6.5 to 7
- Specific Gravity - 3.3 to 3.4
- Refraction - Double
- Refractive Index - 1.65 to 1.69
- Dispersion - .02
- Birefringence - .0036
- Wearability - Good
- Special Care - None