Quelques-uns des principaux sujets de Géoforum
▲ Bourse minéraux et fossiles à PARIS ▲ |
Tourmaline noire (Schorl)
Provenance non connue. 80 mm.
Photo Information
- Taken with SAMSUNG GT-N7100
- Focal Length 3.7 mm
- Exposure Time 1/17
- f Aperture f/2.6
- ISO Speed 200



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