Title | Jasper |
Description | Jasper 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. |
Location | USA ▹ Montana. Near Dry Gulch. |
Photographer | Shannon Heinle. 2001-04-24. |
Collection | University of North Dakota Mineralogy Collection #1550. |
Key words | agate, jasper, quartz, cryptocrystalline |
Tech details | 554 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
GeoDIL number | 404 |
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