000			00306nam a2200097 4500
999			_c335074 _d335074
082			_a549 _bKRA.M
100			_aKraus,Edward Henry,et al.
245			_aMineralogy :an introduction to the study of minerals and crystals,5th ed. _cKraus,Edward Henry,et al.
260			_aNew york _c1959 _bMcGraw Hill
942			_cBK