Is “Kainite” a Scrabble word?
Yes
KAINITE
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Kainite
noun
1.A saline evaporite, consisting of magnesium sulphate and potassium chloride with the chemical formula MgSO4·KCl·3H2O, found in German salt mines.