Calcite crystals to 33 mm on 9 cm matrix. Blue-grey calcite overgrowths on colourless cores. Tynebottom Mine, Garrigill. photo

Hajar | all galleries >> Mineral Galleries >> Minerals from the North of England >> Alston Moor Minerals > Calcite crystals to 33 mm on 9 cm matrix. Blue-grey calcite overgrowths on colourless cores. Tynebottom Mine, Garrigill.


08-APR-2018

Sony a99
1/5s f/18.0 at 50.0mm iso640 full exif

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