It is caused by aluminum silicate, especially feldspar in various rocks. Or hot water can be converted into tourmaline, some of which are completely mineral deposits. In addition, From rock decay to soil composed of tourmaline, it is then carried away by sedimentation with water and quartz minerals or other new objects. For example, in swamps, swamps, and lakes, soil layers can be accumulated, and minerals that may co exist include fluoride, microcrystals, sapphire, and semi graphite. Gold, meniscus, montmorillonite, quartz, musk, and other clay minerals.
การแปล กรุณารอสักครู่..