Blue Chalcedony ball shape
丸玉系
| | | ||
| 無穴 ball without-hole | 片穴 ball half-drilled | 貫通穴 ball full-drilled | カット片穴 facet ball half-drilled/16ins | カット貫通 facet ball full-drilled/16ins |
| 4mm | 4mm | 4mm | ||
| 6mm | ||||
| 7mm | ||||
- 無穴 4mm ／ Ball(without-hole) 4mm
- 片穴 4mm ／ Ball(half-drilled) 4mm
- 片穴 6mm ／ Ball(half-drilled) 6mm
- 貫通穴 4mm ／ Ball(full-drilled) 4mm ／ beads(16ins)
- 貫通穴 7mm ／ Ball(full-drilled) 7mm ／ beads(16ins)