An instrument which has long been used in constructing the stereographicprojection of a crystal is the curved ruler suggested by both Wulff and Fedorowin 1893.~1 It is a convenient and quick method for drawing the flat arcs of verylong radius which cannot
Abstract:
An instrument which has long been used in constructing the stereographicprojection of a crystal is the curved ruler suggested by both Wulff and Fedorowin 1893.~1 It is a convenient and quick method for drawing the flat arcs of verylong radius which cannot
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王紹文.1933. A CRYSTALLOGRAPHIC STUDY OF TOPAZ, BERYL AND SMOKY QUARTZ FROM FANCHIH DISTRICT, N. SHANSI[J]. ACTA GEOLOGICA SINICA(English edition),12(0):489~503
