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礦物之美－（鈰褐簾石∼ALLANITE-(Ce)
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ALLANITE-(Ce) (Ce,Ca,Y)2(Al,Fe)3(SiO4)3OH (monoclinic)．epidote group．晶體多作柱狀或針狀，玻璃或松脂光澤，半透明到不透明，硬度 5.5∼６．暗棕色到黑色．略帶放射線，好發於花崗岩，正長岩，偉晶岩中．以最先發現者 Thomas Allen 礦物學者為名． 著名產地：Ural Mountains of Russia; Falun, Ytterby and Sheppsholm, Sweden; Trimouns, France; Madagascar; Otter Lake, Quebec and Madawaska,Ontario,Canada. |
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