Access to FMF Forum
A general guide for using the FMF Gallery
Fluorapatite
Ipirá, Bahia, Brazil
2.0 x 3.4 cm.
A loose doubly-terminated deep blue fluorapatite crystal from Bahia’s phosphate deposits. These apatites are radioactive due to the presence of uranium- and thorium-bearing oxides. (Author: crosstimber)
| Dimensions: | 800 x 907 |
| File size: | 61.13 kbytes |
| Taken on: | |
| Camera model: | |
| Shutter speed: | |
| Focal length: | |
| Aperture: | |
| Flash: | |
| ISO: |
