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macle
(redirected from macles)

   Also found in: Dictionary/thesaurus 0.01 sec.
macle [′mak·əl]
(crystallography)
A twinned crystal.
(lapidary)
A twin structure in a diamond.
(mineralogy)
A dark or discolored spot in a mineral specimen.


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Antwerp manufacturers now concentrate on the larger stones and the flat, usually triangular twinned diamonds called macles.
The Black Lick sample contained diamonds which are white or brown octahedra, or macles and fragments of octahedra which do not show extensive resorption.
All of the diamonds are white or brown octahedra or macles and fragments of octahedra which do not show extensive resorption.
 
 
 
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