Tumbled Rainbow Fluorite Chips / 5-20mm AVG - 1 KILO LOT NEWARRIVAL and bloodstone are all varieties

and bloodstone are all varieties of chalcedony

or tourmaline

Amethyst is formed through the crystallization of quartz in magmatic or hydrothermal environments

Quartz is formed through the crystallization of silicon dioxide in geological processes such as precipitation in hydrothermal veins

Most commercially-available topaz has been treated with heat or very small amounts of radiation to enhance the natural color

Tumbled Rainbow Fluorite Chips / 5-20mm AVG - 1 KILO LOT NEWARRIVAL and bloodstone are all varietiesQuantity: 1 kilogram Average size range: 5 to 20 millimeters Fluorite is known as one of the most colorful gemstones, and can appear in just about every color of the rainbow. Pure fluorite is normally colorless, but different mineral inclusions and amounts of natural radiation will alter its color. Green and purple are the most common colors, followed by yellow, blue, pink, and red.