Quick answer: Both are quartz. Amethyst is quartz colored purple by traces of iron and natural irradiation; clear quartz is the colorless form. Choose amethyst for color and a cozy look, clear quartz for sparkle and a clean, bright look.
Color and look
An amethyst cluster adds deep purple to a shelf; a clear quartz cluster catches light and works with any decor.
Care
Amethyst can fade in strong direct sunlight over time; clear quartz does not. Both clean easily with a soft dry brush.
What about aura quartz?
Angel aura quartz is clear quartz with a thin metallic coating that creates a rainbow sheen. Keep it dry and avoid rubbing the surface.
Frequently asked questions
Is amethyst a type of quartz?
Yes. Amethyst is purple quartz.
Which is more expensive?
It depends on size and quality; small clusters of both are affordable.
Can clusters get wet?
Plain quartz and amethyst can be rinsed briefly; coated aura quartz should be kept dry.
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