Boron calcium stone material properties

Boron calcium stone, everybody know about it? No matter how much you know today will be and boron stone manufacturers together to learn the boron calcium stone material properties. 1. Chemical composition: CaBSiO 4 ( 哦) ; 2. Crystalline state: crystal plasmid or crystal aggregation; 3. Crystal system: monoclinic system; 4. Crystal habit, often show granular or massive collection; 5. Common colors: colorless, white, green, yellow, pink, purple, brown, gray, 6. Sheen: glass luster; 7. Mohs hardness: 5 ~ 6; 8. Density: 2. 95 ( ± 0. 05) g/cm 3 ； 9. Boron powder optical characteristics: heterogeneous body, biaxial crystal, negative light; Often for collection; 10. Pleochroism: no; 11. Boron powder refractive index: 1. 626-1. 670 ( - - - - - - 0. 004). ; 12. Birefringence: 0. 044-0. 046, aggregation unpredictable; 13. Ultraviolet fluorescence: no to blue ( Shortwave) ; 14. Absorption spectrum: no characteristic; 15 amplification check: double refracted ray, gas-liquid inclusions.