| Title | Pyroxene(diallage) |
| Description | This a memeber of the pyroxene group with a chemical formula of Ca(Mg,Al)[(Al,Si)SiO6. This is a low grade metamorphism of gabbro and it has a monoclinic crystal habit. This particular speciman is about 6 cm. |
| Location | USA ▹ California. Near Hilton. |
| Photographer | Shannon Heinle. 2001-10-03. |
| Collection | University of North Dakota Mineralogy Collection E.11.170. |
| Key words | pyroxene, diallage |
| Tech details | 611 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera. |
| GeoDIL number | 1605 |
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