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macleenUK
mac·le M0011600 (măk′əl)n.1. Chiastolite.2. A twinned crystal.3. A dark spot or discoloration in a mineral. [French, from Old French, lozenge, from Latin macula, mesh.]macle (ˈmækəl) n (Minerals) another name for chiastolite, twin3[C19: via French from Latin macula spot, stain]ma•cle (ˈmæk əl) n. a twinned crystal. [1720–30; < French] macleenUK
macle[′mak·əl] (crystallography) A twinned crystal. (lapidary) A twin structure in a diamond. (mineralogy) A dark or discolored spot in a mineral specimen. chiastolite MedicalSeetwin |