Amethyst Gold Jewellery Ring.
By Stone.
Color Purple, violet
Crastal habit 6-sided prism ending in 6-sided pyramid (typical)
Twinning Dauphine law, Brazil law, and Japan law
Cleavage None
Fracture Conchoidal
Mohs scale hardness 7–lower in impure varieties
Luster Vitreous/glassy
Streak White
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