Corals are divided into calcareous corals and horny corals.
Ca-type: mainly composed of calcium carbonate, containing very little organic matter, containing three species:
1, red coral: light to dark shades of red to orange-red, sometimes meat red. It is mainly distributed in the Pacific Ocean.
2, white coral: distributed in the South China Sea, the Philippines, the Ryukyu Sea, etc., is white, gray, white, porcelain white coral. Mainly used for bonsai process.
3, blue coral: blue, light blue coral.
Keratinous corals: The main component is organic matter, containing two species:
1, black coral: gray black to black coral, almost all of the horny composition, the value is extremely high.
2, gold coral: golden yellow-brown horny coral. The golden coral has a clear spot on the outside.
Ca-type: mainly composed of calcium carbonate, containing very little organic matter, containing three species:
1, red coral: light to dark shades of red to orange-red, sometimes meat red. It is mainly distributed in the Pacific Ocean.
2, white coral: distributed in the South China Sea, the Philippines, the Ryukyu Sea, etc., is white, gray, white, porcelain white coral. Mainly used for bonsai process.
3, blue coral: blue, light blue coral.
Keratinous corals: The main component is organic matter, containing two species:
1, black coral: gray black to black coral, almost all of the horny composition, the value is extremely high.
2, gold coral: golden yellow-brown horny coral. The golden coral has a clear spot on the outside.
Manual Ic Card Chip Embedding Machine With Relay Control,Relay Control Manual Ic Chip Card Embedding Machine /Shanghai,Cnj-Ic Card Embedding Machine
Plus Size Wedding Dresses.Co., Ltd , http://www.nbconsumables.com