Attributes: Bulk density 2.97g/cm, water absorption rate 0.19%, compressive strength 17.4Mpa, Mohs hardness 7.2, glossiness 105.2
Features: Shanxi black stone has a uniform structure, high glossiness, pure black luster, and a warm and elegant texture.
Color: The black granite within the ore block has a simple mineral composition, with fine and uniform mineral crystal particles and a dense structure. After polishing, it appears pure black, delicate, shiny, and has high glossiness. Through rock and mineral analysis, it is found that pyrite and other gold are present The content of sulfide components is low, and no pyrite crystals or aggregates are seen. There are colorless lines and spots, making it a high-end and precious variety.
| SAMPLING POSITION | OXIDE CONTENT | ||||||||||
| SiO2 | Ai2O3 | Fe2O3 | FeO | MnO | MgO | CaO | K2O | Na2O | P2O5 | H2O | |
| HUNYUAN COUNTY AREA | 48.06 | 12.71 | 6.22 | 9.85 | 0.19 | 4.28 | 7.01 | 2.00 | 2.57 | 0.89 | 2.17 |
| CHINA (LITONG) BASIC ROCK | 48.25 | 14.90 | 7.61 | 4.17 | 0.21 | 6.93 | 8.27 | 1.72 | 3.30 | 0.56 | 1.47 |
| TEST PROJECT | COMPRESSIVE STRENGTH Mpa | FLEXURAL STRENGTH Mpa | WEIGHT t/m3 |
ACID RESISTANCE % |
ALKALI RESISTANCE % |
GLOSS | RADIATION EXPOSURE RATE | ||
| Vertical Specimen | Parallel Specimen | Vertical Specimen | Parallel Specimen | ||||||
| TEST RESULT | 173.00 | 103.10 | 33.65 | 30.95 | 3.07 | >99.8 | >99.7 | >95° | <18γ |