- n.
【矿物】美蛋白石。
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cacholong中文什么意思
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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.
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