2. The price of red coral varies according to its size, color, style and species, and the fewer wormholes, the better. If it is Aka red coral beads and carvings, the bigger the better, and the price will change accordingly. Mainly depends on the quality and collection value. Pay attention to dyeing sea bamboo, white coral, sea willow, marble and plastic.
In the final analysis, all jewelry exists to express a culture, but different jewelry has different cultures. If you like jewelry, but don't understand culture, it is empty jewelry. I like the story behind every piece of jewelry very much. Often ask the founder of jewelry (red shopkeeper) to listen to the story of jewelry. He made a lot of jewelry videos during his second understanding. You can go and have a look.
-
Trapezoidal area = (upper bottom+lower bottom) × height ÷2 Formula S=(a+b)h÷2
Sum of internal angles: sum of internal angles of triangle = 180 degrees.
Cuboid volume = length× width× height formula: V=abh
Volume of cuboid (or cube) = bottom area × height formula: V=abh.
Volume of cube = side length × side length × side length formula: V=aaa.