Is “Sylvine” a Scrabble word?
Yes
SYLVINE
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 Sylvine
noun
1.A saline evaporite, consisting of potassium chloride KCl, also found in fumaroles.