( n. )
A variety of andalusite; -- called also macle. The tessellated appearance of a cross section is due to the symmetrical arrangement of impurities in the crystal.
( n. )
A variety of andalusite; -- called also macle. The tessellated appearance of a cross section is due to the symmetrical arrangement of impurities in the crystal.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012