| P number: | P527593 |
|---|---|
| Caption: | Muscovite mica from the Loch Nevis Mica Prospect, Knoydart, Invernessshire. |
| Description: | A very large specimen of muscovite mica from the Sgurr Coire nan Gobhar mica workings in Knoydart. The workings, active during 1943-1944, supplied the processing depot at Pitlochry with the raw mica. British Geological Survey Petrology Collection sample number MC 7373. The workings consisted of five quarries of which one (the first to be opened up) was much more important than the others. Seventy per cent of the production came from this first quarry. The mica was of high quality, it was brownish-ruby in colour, hard, substantially flat and glossy. A small proportion contained light vegetable stains or mineral dots but the entire output proved to be of strategic quality. |
| Date taken: | 25/06/1905 |
| Photographer: | Unknown |
| Copyright statement: | Unknown |
| Orientation: | Landscape |
| Size: | 257.63 KB; 1000 x 665 pixels; 85 x 56 mm (print at 300 DPI); 265 x 176 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images |
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