Morganite vs Pearl
Morganite is harder (Mohs 7.5–8) than Pearl (Mohs 2.5–4.5), so it resists scratching better; Pearl is softer than quartz dust (7) and needs more care in everyday rings.
Their refractive indices are close (1.583–1.590 vs 1.53–1.69), so combine RI with SG, optic character, or inclusions to separate them.
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| Property | Morganite | Pearl |
|---|---|---|
| Species / material | Beryl | Organic (nacre) |
| Mohs hardness | 7.5–8 | 2.5–4.5 |
| Refractive index | 1.583–1.590 | 1.53–1.69 |
| Specific gravity | 2.8 | 2.71 |
| Crystal system | Hexagonal | Organic |
| Birefringence | 0.008–0.009 | Not applicable |
Values are typical ranges from standard gemmological references; individual stones can vary.
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