Amethyst
Amethyst is the purple variety of quartz (silicon dioxide) and is a popular gemstone
Picture No
10710250
Media ID
47581784
Size
1928px x 2480px
(2.2MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
Pick your License
Amethyst Dioxide Gemstone Mineral Quartz Silicate Silicon Tectosilicate
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