Code: ML272
名稱 粉紅色滑石 | Name Talc |
化學公式 Mg3Si4O10(OH)2 | Chemical Formula Mg3Si4O10(OH)2 |
莫氏硬度 1 | Mohs scale of Hardness 1 |
描述 這種不透明的綠色帶狀礦物在單斜晶體系統中結晶,並且最常見的是在裂縫和深層地下空間中形成水晶體,纖維狀或石筍狀塊體,那裡的地下水位和熱液為化學沉澱提供了手段。 | Description Talc is a common metamorphic mineral in metamorphic belts that contain ultramafic rocks, such as soapstone (a high-talc rock), and within white schist and blueschist metamorphic terranes |
小挑戰 滑石有什麽的用途? 滑石粉,雕刻,藥用,滑石筆 | Challenge What is the use of talc? Talc powder, carving, medicinal, talc pen |
Reference
1 https://en.wikipedia.org/wiki/Talc
2. https://www.fda.gov/cosmetics/cosmetic-ingredients/talc
By Chui Chun Ho on 19 April 2021