Colemanite
| Chemical formula: | CaB3O4(OH)3·H2O |
| Category: | Borate |
| Colour: | colourless, white, grey, yellowish |
| Characteristics: | hard, malleable, ductile |
| Utilization: | refractory, furnace lining |
| Form of delivery: | 43 % / 44 % B2O3, arsenic-free |
| Graining: |
2 – 20 mm |