Jade
Jade
Jade is two different minerals, jadeite and nephrite. Both are made of interlocking fibres or grains, which makes them unusually tough: hard to break even where they can be scratched.
Jade
At a glance
- Mineral
- Jadeite or nephrite
- Refractive index
- 1.66
- Dispersion (C–F)
- —
- Specific gravity
- 3.30
- Mohs hardness
- 6–7
- Wear
- Very tough: bangles, rings and carvings.
Jade in Jart
The look in the studio's material library, with the values the renderer uses.
| Stone | Colour | RI | Dispersion C–F | Abbe | SG | Colour depth |
|---|---|---|---|---|---|---|
| Jade | #3f8f5c | 1.66 | — | — | 3.30 | opaque |
RI refractive index (nd). Dispersion C–F nF − nC, the spread between blue and red light; many gem tables quote the B–G figure instead (diamond 0.044, here 0.025). Abbe number: lower means more fire. SG specific gravity, used for carat estimates in Design Facts. Colour depth the path through the stone after which white light takes the stone's full colour; shorter paths look paler.
How it renders
With a refractive index of 1.66, a polished jade facet reflects 6.2% of light that meets it face-on (diamond: 17.2%). Light inside the stone that meets a facet more than 37.0° from straight on cannot leave and is reflected back in; the smaller that angle, the more light a good cut returns to the eye (diamond 24.4°, quartz 40.4°).
It is opaque: light reflects from its surface and does not travel through it, so it shows no fire, and its look comes from its colour, its polish and what the lighting reflects.
Jart renders jade as an opaque green with a polished surface; its gloss reads softer than malachite's, from its lower refractive index.
Related stones
All gemstones · Metals · Stone and metal pairings · Finishes
Render jade on your own design.
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