e/Efremovite

Information
has gloss	eng: Efremovite is a rare mineral of the chemical formula: (NH4)2Mg2(SO4)3. This anhydrous sulfate occurs as constituent of some of sulfate crusts of burning coal dumps. In air it slowly hydrates into boussingaultite.
lexicalization	eng: Efremovite
instance of	(noun) solid homogeneous inorganic substances occurring in nature having a definite chemical composition mineral