A piece of amethyst, a blueish quartz variant often used in jewelry.

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Size: 2996px × 2104px
Photo credit: © Kim Christensen / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: amethyst, blue, chemistry, close-, crystalline, education, educative, geology, home, jeweley, learning, mineral, nature, object, physics, quartz, school, science, scientific, stone, understanding, university, variant