Access to FMF Forum
A general guide for using the FMF Gallery
Helvite
Navegadora Mine, Penha do Norte, Conselheiro Pena, Minas Gerais, Brazil
4.5 x 7.0 cm.
Opaque yellow brown tetrahedral helvite crystals on a matrix of white albite. (Author: crosstimber)
| Dimensions: | 800 x 524 |
| File size: | 53.49 kbytes |
| Taken on: | |
| Camera model: | |
| Shutter speed: | |
| Focal length: | |
| Aperture: | |
| Flash: | |
| ISO: |
