Search Results for: Cereal grains worked
in diameter. crystals are flattened [ ]; observed forms are c [ ] and z . . cleavage { } perfect. uniaxial, negative, wilh @ , e . it occurs at several places in the nitrate fields, associated with astrakhanite (bloedite) and sodanite. the name is for the chemist james thomas humberstone ( ), who worked
* . the strongest l ines are ( ) , (s) . s ( ), ( ) . ( ) .s s ( ). the mineral is reddish to amberl under the microscope clear and transparent. optically biaxial, positive , ns a | , p , y (all + ), v + " (estheniil,e); a , " .ffi (santa rosdia) . - , nearer to . the mineral occurs as irregular grains...
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