000 00433nam a2200157 a 4500
005 20220518174210.0
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 _c249974
_d249974