A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Blandfordite (var. aegirine) |
|---|---|
| Description | This sample is approximately 4 cm. Aegirine, NaFeSi2O6 (sodium iron silicate), which is listed in some guides as acmite, forms impressive crystals that have become classics among collectors. The steeply inclined pyramid on top of the prismatic crystals is very characteristic and thus diagnostic of aegirine. |
| Location | India ▹ Central Province. Tyrodi Mines. |
| Photographer | Shannon Heinle. 1899-12-30. |
| Collection | University of North Dakota Mineralogy Collection #1323. |
| Key words | blandfordite, pyroxene |
| Tech details | 789 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera. |
| GeoDIL number | 1552 |
 | |