Premium Cut Base Amethyst - #25 fluorescent and other manganese and iron-based

and other manganese and iron-based minerals give the stone a mossy appearance

The iron oxidizes into reddish bands while the reduced iron creates green or whitish banding

Fluorite (also called fluorspar) is a calcium fluoride that belongs to the halide minerals

rather by its opal-like appearance

but a group of minerals with similar crystal structures

Premium Cut Base Amethyst - #25 fluorescent and other manganese and iron-basedAmethyst is a purple variety of quartz that gets its color from irradiation and inclusions of iron in the crystal lattice. You will receive the exact piece as pictured. Dimensions: 3. 0 L x 2. 0 W x 2. 0 H inches Weight: 0. 57 pounds