Amethyst is a violet variety of quartz composed of silicon dioxide, with color ranging from pale lavender to deep purple due to iron within the crystal structure.
It forms in volcanic cavities as hexagonal crystals and has been used historically in jewelry and carved objects.
Amethyst is a violet variety of quartz composed of silicon dioxide, with color ranging from pale lavender to deep purple due to iron within the crystal structure.
It forms in volcanic cavities as hexagonal crystals and has been used historically in jewelry and carved objects.
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