JDMISGem Reference
Mollusc (nacreous pearl) · Pearl

Natural Dark Pearl

Natural Dark Pearl — Pearl

Naturally dark pearls - grey-black with rosé and peacock overtones - are among the rarest pearls; their soft red LW-UV glow separates them from dyed blacks.

Colour
grey
Transparency
Opaque
RI
1.520–1.690
SG
2.60–2.85
Mohs
2.5–4.5
Birthstone
June
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