Laumontite

Definition:

• (n.) A mineral, of a white color and vitreous luster. It is a hydrous silicate of alumina and lime. Exposed to the air, it loses water, becomes opaque, and crumbles.

Compare laumontite with other words:

laumontite vs. opaque

alumina vs. laumontite

laumontite vs. mineral

laumontite vs. silicate