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A Geoscience Digital Image Library

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TitleJasper
DescriptionJasper is a colorful impure form of agate. Agate is a cryptocrystalline (crystals too small to be seen even by a microscope) variety of quartz. These varieties are divided more by character than by color. These different variatites are often used as semi-precious gemstones and for decorative purposes.
LocationUSA ▹ Montana. Near Dry Gulch.
PhotographerShannon Heinle. 2001-04-24.
CollectionUniversity of North Dakota Mineralogy Collection #1550.
Key wordsagate, jasper, quartz, cryptocrystalline
Tech details554 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number404