time:2023-05-10 source:sznbone Views:
Curved
Also known as the convex surface or plain body, its ornamental surface is a convex surface. According to the waist (shape of the waist), it can be further divided into round, olive, heart, rectangular, square, cross, pads, pituitary shape, etc. If according to its cross -section type, it can be divided into five types: single -shattering type, double -convex noodles, lentils bumpy type, hollow convex surface, and concave surface -shaped type.
Aspect
It is composed of a series of geometric planes that completely cover the surface of the gemstone. It polished it according to the appropriate angle. The gem can display the four optical effects of the body color, brightness, fire color, and shining. Face -oriented type can be divided into diamond -type, step -type cargo, rose -like, cutting (cross) type, and mixed -ending type.
Pearl
Commonly used for low -end gems, can be used for different jewelry. It can also be divided into types such as round beads, oval beads, flat balls, and cubic beads according to the shape.
Different
Including two types of freedom and random types, can express the ever -changing natural form of gems.