A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Agate |
|---|---|
| Description | 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 |
| Photographer | Shannon Heinle. 2001-06-18. |
| Collection | University of North Dakota Mineralogy Collection #1630. |
| Key words | agate, quartz, crytocrystalline |
| Tech details | 478 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 782 |
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