History: Named in 1853 by Adolph Kenngott. Many names were previously assigned to this species, including calamine.
Tests: May be bluish under SW UV. Fuses with great difficulty, when heated in closed tube it will produce water. Soluble in acids with gelatinization.
Uses: Ore of zinc.
|Color||Colorless, white, blue, gray, yellowish, brown and/or greenish|
|Fracture||Uneven to Conchoidal|