cacholong中文什么意思

n.
【矿物】美蛋白石。

• cacholong opal:    美蛋白石

百科释义

Cacholong also known as Kalmuck Agate is a form of common Opal although it is often mistaken for Agate or Chalcedony. A milky white colour with a Moh hardness of about 6, it is used for carving, cameos etc.