Garnet:Garnet,also known as \"jade sand\" or \"natural gold steel\", has a strong hardness and good acid and alkali resistanceis an island-like structure of aluminum(calcium)silicate.
Garnet Physical and Chemical Composition
| Garnetchemical composition(%) | ||||||||
| SiO2 | Al2O3 | Fe2O3+Fe | CaO | MgO | MnO | TiO2 | Chioride | |
| 34-40 | 17-21 | 25-31 | 5-10 | 5-6 | 0-1 | 0-1 | 10-15ppm | |
| Mineralogical Content /Physical properties | ||||||||
| 1 | Garnet | 97-98 % | ||||||
| 2 | Quartz | ≤0.2% | ||||||
| 3 | Ilmenite | ≤0.5% | ||||||
| 4 | Others | ≤0.1% | ||||||
| 5 | Color | Red&brown | ||||||
| 6 | Moh\'s hardness | 7.5+ | ||||||
| 7 | Bulk density | 1.8-1.9g/cm3 | ||||||
| 8 | Specific gravity | 4.0-4.1g/cm3 | ||||||
| 9 | Melting point | 1260℃ | ||||||
| 10 | Grain shape | Sub angular | ||||||
| 11 | Conductivity | ≤25M/cm | ||||||
| 12 | Solubility in Water | Not Soluble in Water | ||||||
| 13 | Toxicity | None | ||||||