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A Geoscience Digital Image Library

1742.jpg
TitleAmethyst, variety of quartz, faceted gemstone
DescriptionAmethyst (SiO2) is the purple variety of quartz and a popular gemstone. Although it must always be purple to be amethyst, it does have a wide range of purple shades. As a mineral sample, amethyst is popular for its color and nice crystal shapes that produce a handsome, purple, sparkling cluster.
LocationBrazil ▹ Minas Gerais
PhotographerDarla Sondrol. 2001-11-04.
CollectionWard’s Natural Science, 49 E 6201.
Key wordsamethyst, quartz
Tech details23 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1742