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《MINERAL RESOURCES AND GEOLOGY》 1999-01
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MINERALOGICAL CHARACTERISTICS AND USAGE OF MACROCRYSTAL ANDALUSITE FROM XIXIA,HENAN

Zhou Shiquan (No.4 Geological Survey Team,Bureau of Geology & Mineral Resources of Henan 473056) Feng Zujie (Dept.of Geography,Nanyan Teachers' School,Nanyang,473061)  
The deposit of macrocrystal andalusite of Xixia is a super large deposit with the best quality in China,The andalusite crystals are big and perfect in morphology characterized by para square or rhombic prism,generally 6 9cm in length and 3 5cm in width.The biggest one is up to 30cm in legth or 8cm in width.The colors are light red,brown red,rose red,brown,or greyish white.The hardness is 6.5 ̄7.The transparency is translucent to transparent.The andalusite crystals are used to make ring,button ,beads,necklace,wristlet,showing good market perspective.
【CateGory Index】: TD878.1,P578.945
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