000 00437nam a2200157 a 4500
005 20151028161942.0
008 960221s1955 dcuabcdjdbkoqu001 0deng d
082 _a549.68
_bK9
100 _aBarth, Tom F. W.
_916782
245 _a Feldspars
653 _aSilicates
_aMineralogy
_agems
_aPhysical properties of feldspars
_aTectosilicates
942 _cBK
942 _cBK
260 _aNew York
_bWiley interscience
_c1969
003 ViArRB
999 _c72295
_d72295