Authors: Newton Horace Winchell

  • Elements of Optical Mineralogy An Introduction to Microscopic Petrography, With Description of All Minerals Whose Optical Elements Are Known and Tables Arranged for Their Determination Microscopically — Newton Horace Winchell

    Elements of Optical Mineralogy An Introduction to Microscopic Petrography, With Description of All Minerals Whose Optical Elements Are Known and Tables Arranged for Their Determination Microscopically — Newton Horace Winchell