Jadeite jade vs Moissanite
Moissanite is harder (Mohs 9.25) than Jadeite jade (Mohs 6.5–7), so it resists scratching better; Jadeite jade is softer than quartz dust (7) and needs more care in everyday rings.
Moissanite has the higher refractive index (2.648–2.691 vs 1.66), which a refractometer (over-the-limit reading) can use to separate them.
Jadeite jade is denser (SG 3.34 vs 3.22); a jadeite jade of the same size weighs about 4% more.
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| Property | Jadeite jade | Moissanite |
|---|---|---|
| Species / material | Jadeite (pyroxene) | Silicon carbide |
| Mohs hardness | 6.5–7 | 9.25 |
| Refractive index | 1.66 | 2.648–2.691 |
| Specific gravity | 3.34 | 3.22 |
| Crystal system | Monoclinic (aggregate) | Hexagonal |
| Birefringence | Not usually measurable | 0.043 |
Values are typical ranges from standard gemmological references; individual stones can vary.
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