| 名稱 軟錳礦 | Name Pyrulusite |
| 化學公式 MnO2 | Chemical Formula MnO2 |
| 莫氏硬度 6–6.5 | Mohs scale of Hardness 6–6.5 |
| 描述 軟錳礦是黑色或棕色的固體。黑色或藍黑色條紋。它有金屬光澤。它是脆。 | Description Pyrulusite is a blackish or brown solid. A black or bluish-black streak. It has metallic luster. It is brittle |
| 小挑戰 軟錳礦有什麼用？ 軟錳礦用於製造鋼和錳青銅； 在幹細胞中 以及作為玻璃中的脫色劑。 | Challenge What is the use of it? Pyrolusite is used in the manufacture of steel and manganese bronze; in dry cells; and as a decolorizing agent in glass. |
Reference
- https://en.wikipedia.org/wiki/Manganese_dioxide
- https://en.wikipedia.org/wiki/Pyrolusite
- https://www.britannica.com/science/pyrolusite
By 4A Lee York 22 on 17/4/2021