Merry Christmas 2010

Tiger Moth

Fluorescent Willemite

Willemite Turned Green by UV Light

Fluorescent Willemite

Willemite mineral from New Jersey that turns green in ultraviolet light.

Orange Calcite

Orange calcite from Arizona that turns orange when exposed to ultraviolet light (254 nm).

Fluorescent Green Fluorite

Green fluorite from England that turns purple when exposed to ultraviolet light (254 nm).

Fluorescent Blue Calcite in UV

Calcite from Mexico that turns blue when exposed to shortwave ultraviolet light (254 nm)