selenite

As a noun selenite

is (science fiction) an inhabitant of the moon.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between selenite and celestite

is that selenite is a soft, glassy form of gypsum (chemical formula CaSO₄·2H₂O) while celestite is a colourless, orange or blue mineral, strontium sulfate, SrSO₄, that is an ore of strontium and constitutes the skeletons of Acantharea.

As nouns the difference between calcite and selenite

is that calcite is a very widely distributed crystalline form of calcium carbonate, CaCO₃, found as limestone, chalk and marble while selenite is a soft, glassy form of gypsum (chemical formula CaSO₄·2H₂O).

As nouns the difference between lunatic and selenite

is that lunatic is an insane person while selenite is (science fiction) an inhabitant of the moon.

As an adjective lunatic

is crazed, mad, insane, demented.

As nouns the difference between selenite and alabaster

is that selenite is a soft, glassy form of gypsum (chemical formula CaSO₄·2H₂O) while alabaster is a fine-grained white or lightly-tinted variety of gypsum, used ornamentally.

As an adjective alabaster is

made of alabaster.

As a proper noun crystal

is .

As a noun selenite is

(science fiction) an inhabitant of the moon.

As nouns the difference between selenite and mica

is that selenite is a soft, glassy form of gypsum (chemical formula CaSO₄·2H₂O) while mica is any of a group of hydrous aluminosilicate minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic.

As nouns the difference between melenite and selenite

is that melenite is picric acid used as an explosive while selenite is (science fiction) an inhabitant of the moon.

As nouns the difference between selenate and selenite

is that selenate is while selenite is (science fiction) an inhabitant of the moon.