ML228 Calcite

Code: ML228

黃色方解石 `Name Calcite
化學公式 CaCO3  Chemical Formula CaCO3
莫氏硬度 3-4Mohs scale of Hardness        3-4
顏色: 白色/沒有顏色 條紋: 白色 光澤: 玻璃  Description Color: white or none Streak;  white Luster:  vitreous
小挑戰   這些岩石被用作尺寸石材和砂漿中,使用了數千年。    Challenge What are the uses of calcite? -ans: These rocks have been used as dimension stones and in mortar for thousands of years.

Reference

1. https://geology.com/minerals/calcite.shtml

4A Olivia Wu 32 19/4/2021