Properties
| Category | Silicate minerals |
|---|---|
| Formula | (Mg,Fe)2SiO4 |
| Crystal system | Orthorhombic |
| Color | Yellow, to yellow-green, olive-green, to brownish, sometimes a lime green, to emerald hue |
| Cleavage | Poor on {010} and {110}, {010} cleavage improves with increasing iron content |
| Fracture | Conchoidal |
| Mohs scale hardness | 6.5–7 |
| Luster | Vitreous to oily |
| Streak | Colorless |
| Diaphaneity | Translucent to transparent |
| Specific gravity | 3.2–4.3 |
From the Wikipedia article
Peridot, sometimes called chrysolite, is a yellow-green transparent variety of olivine, specifically the magnesium rich end member called forsterite. Peridot is one of the few gemstones that occur in only one color.
Source
Source record: crystal-compendium/peridot/minerals.json. Fetched from English Wikipedia by the operator 2 October 2026.
https://en.wikipedia.org/wiki/Peridot — revision id 1372901892. Text and properties from Wikipedia, licensed CC BY-SA 4.0.