ML008 Calcite

  方解石Name   Calcite
化學公式 CaCO3  Chemical Formula CaCO3  
莫氏硬度 3  Mohs scale of Hardness 3  
它具有完美的菱面體切割。它的顏色通常是白色,但也可以是無色,灰色,紅色,綠色,藍色,黃色,棕色,橙色。條紋為白色,並且具有玻璃光澤。    Description It has a perfect, rhombohedral cleavage. Its colours are usually white but also colorless, gray, red, green, blue, yellow, brown, orange. The streak is white, and it has a vitreous luster.
小挑戰 它用作建築材料,磨料,農業土壤處理,建築骨料,顏料,製藥等。    Challenge What is calcite used for? It is used as a construction material, abrasive, agricultural soil treatment, construction aggregate, pigment, pharmaceutical and more.  




By 4A06 Chow Pui Ching 06 on 18/4/2021