名稱 綠簾石	Name Epidote
化學公式   Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH)	Chemical Formula   Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH)
莫氏硬度   6-7	Mohs scale of Hardness   6-7
描述   他在變質的大理石和磐石中出現。它的表面佈滿橫紋。其外表是綠色，灰色，啡色，甚至黑色。它擁有多色性的特質，能夠同時折射出不同顏色的光芒。它擁有鋁、鈣、鎂、鍶等化學元素。	Description   It occurs in marble and schistose rocks of metamorphic origin.The faces are often deeply striated and crystals are often twinned.The color is green,grey,brown or nearly black.It displays strong pleochroism.It consists of elements like Sr,Ca,Mn,Al etc.
小挑戰   我們可以在哪裡找到綠簾石? 羅克布里奇縣,弗吉尼亞州	Challenge   Where can we find this stone? Rockbridge Country,Virginia

Reference

1.https://en.m.wikipedia.org/wiki/Epidote

2. http://webmineral.com/data/Epidote.shtml#.YHrlK7crhkw

By 4AHo Tsz Wing Ibbie12 on 17/4/2021