(n.) A mineral of the feldspar group, like orthoclase or common feldspar in composition, but triclinic in form.
Example Sentences:
(1) The influence of qualitatively different nutrition and additional vitaminization with varying doses of "Glutamevitum" on excretion with urine of vitamins B1, B2 PP and C, as well as the presence of microclinical symptoms of vitamin deficiency and psychophysiological parameters were studied in 120 children (6 groups, 20 subjects in each) who went to school at six years of age.
(2) It was impossible to ascertain whether these synthetic crystals may be sanidine, orthoclase, or microcline.