A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Oligoclase, var. sunstone |
|---|---|
| Description | Oligoclase, Na(90-70%)Ca(10-30%)(Al,Si)AlSi2O8 (sodium calcium aluminum silicate), is not a well known mineral, but has been used as a semi-precious stone under the names of sunstone and moonstone. Sunstone has flashes of reddish color caused by inclusions of hematite. Oligoclase is a member of the plagioclase feldspar group. |
| Location | Norway ▹ Bamble. Near Bjordam. |
| Photographer | Darla Sondrol. 2002-02-15. |
| Collection | Ward’s Classroom Collection of Gem Minerals #30. |
| Key words | oligoclase, sunstone, Norway |
| Tech details | 448 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 2381 |
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