Widely distributing,almost occurs in various geologic conditions.They are dominant mineral for formming rock, as well as important mineral for composing many metallic or nonmetallic deposits.

• 分布极广，差不多在各种地质作用中都有产出，是各类岩石的主要造岩矿物，同时也是构成许多金属和非金属矿床的重要矿石矿物。