More Information
| Stone Type | Natural |
| Origin | USA, Mexico, South America |
| Size | 4mm |
| Shape | Round |
| Colour | Red |
| Hole Size Approximate (mm) | 0.6 |
| Mohs scale ratings (hardness) | 5–6 |
| Bead Care - Avoid the following... | chemicals;heat |
| Additional Notes | Volcanic glass with iron inclusions |