Green garnet
Green garnets include demantoid, famous for its fire, and green grossular. Supply is limited and quality varies widely, so grading is everything.
In short
Green garnet is rare, mined in small operations, and sold by careful colour and clarity grading.
- Formula
- Ca₃Fe₂(SiO₄)₃ (demantoid)
- Density
- 3.6–3.9 g/cm³
- Hardness
- 6.5–7.5 Mohs
- Priced in
- Per carat or per lot
What it is
Green garnet covers two species. Demantoid, a green andradite, disperses light more strongly than diamond and is one of the most valuable garnets. Green grossular includes tsavorite and other green material. Both are usually untreated.
Supplied as
- Rough
- Calibrated lots
Who buys it
- Fine jewellery
- Collector stones
What we check before we sell
- 01Species identification
- 02Colour and clarity grading
- 03Origin documentation
From raw to refined
How green garnet becomesa faceted green gem.
Follow green garnet through 6 stages, from the moment it leaves the ground to the finished piece. Keep scrolling: each step has its own photograph or film.
Find · In the rock
Green garnet on matrix
Green garnets include demantoid and green grossular. They form in specific rocks and are found in only a few places in the world.
Next commodity
Tsavorite