Welsh slate honing stone - "Llyn Melynllyn" - part 1

Conditioning the stone in several steps: 1. Degreasing 2. lapping with 220 grit green SiC abrasive grain 3. Lapping with 800 grit black SiC abrasive grain 4. Lapping with 1200 grit Al2O3 abrasive grain several photos with other welsh slate stones with formed slurry