ORTHOCLASE
\ˈɔːθəklˌe͡ɪs], \ˈɔːθəklˌeɪs], \ˈɔː_θ_ə_k_l_ˌeɪ_s]\
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Common or potash feldspar crystallizing in the monoclinic system and having two cleavages at right angles to each other. See Feldspar.
By Oddity Software
