Crystal Act The Role Ofing Is Tasted

- Apr 18, 2018-

The crystal is a quartz crystal with high transparency and good crystal shape. The crystal belongs to the crystal of the large "family" of quartz. Chemical composition is SiO2, chemical molecular formula is SiO2, can contain trace iron, manganese, magnesium, aluminum, titanium and other impurities. It is a trigonal crystal system.

The crystal is a quartz crystal with high transparency and good crystal shape. The crystal belongs to the crystal of the large "family" of quartz. Chemical composition is SiO2, chemical molecular formula is SiO2, can contain trace iron, manganese, magnesium, aluminum, titanium and other impurities. It is a trigonal crystal system. Crystals are hexagonal prism and rhombohedron or combination of the six-party double cone Jewelry Wholesale, cylinder with transverse crystal, collection is often vug, mostly colorless transparent crystal, with impurity can shows purple, yellow, pink, brown, gray, black color, etc. Good transparency, glass luster, oil sheen. The refractive index is 1.544-1.533, the double index is 0.008, and the dispersion is 0.013. The purple crystal has two colors. Hardness 7, density 2.66g/cm3. Conchoidal fracture. It has piezoelectric properties.