Basalt test
basalt test. heavy reduction, cone 10. mostly still whole particles of what started as 40 mesh material. however, in spite of its appearance, this sample has fused together somehow internally and is not able to be removed from the test dish.
Photo Information
- Taken with Apple iPhone 6 Plus
- Focal Length 4.2 mm
- Exposure Time 1/746
- f Aperture f/2.2
- ISO Speed 32
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