2. Bluestone is fine in texture, with cyan and emerald as the main colors, harmonious and generous, unique in texture, rich in natural beauty and stable in physical and chemical properties. Stone is light, hard, heat-insulating, non-conductive, smooth, moist, non-porous, not easy to weather, corrosion-resistant, wear-resistant, acid-resistant, alkali-resistant, and non-radioactive. It is a kind of natural culture stone and craft ornamental stone.
3. Bluestone is mainly used for plaque, architectural decoration and craft carving. Green slate has a smooth surface, which is closer to nature than polished marble and granite, and has good decorative performance, so it is mainly used for house decoration. High-quality bluestone can be used to make relief, inkstone, paperweight, pen container, teacup, ashtray and other handicrafts, which has high appreciation and collection value.