Magnesian clay is ceramic mug with mirror lid manufacturers a special low-cost raw materials, both containing high magnesium oxide, but also has the nature of the clay process, but China is not enough for his exploitation. Magnesian clay appearance of two types: one is the soil block, for the weathered-type ore; the other is the land of flakes, the original rock-type ore. The two often coexist in the same mine as the soil surface is often massive, graded down to earth sheet, color to gray, light gray-based, there are way gray and purple, dark brown, black and so on. Sense of massive ore are slippery soil, malleable, shiny appearance of silk process, but weakened after drying gloss; soil mineral-way stripe sheet or sheet-like, fragile pieces, a slippery feeling. |