( n. )
A mineral of a white or gray color occurring massive and in isometric crystals; in composition it is a magnesium borate with magnesium chloride.
( n. )
A mineral of a white or gray color occurring massive and in isometric crystals; in composition it is a magnesium borate with magnesium chloride.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012