Agate (all types)

Amazonite

Amethyst (all types)

Ammonite (all types)

Apophyllite

Aquamarine (all types)

Aragonite

Auralite

Azurite (all types)

Bixbyite

Carborundum

Chiastolite

Chrysocolla

Chrysoprase

Citrine (all types)

Emerald (all types)

Fossil (all types)

Garnet

Geode (all types)

Hematite (Botryoidal)

Hemimorphite

Herkimer Diamond

Kunzite

Kyanite (all types)

Lepidolite

Moldavite

Muscovite

Opal (all types)

Peacock Rock

Peridot

Drusy Petrified Wood

Prehnite

Pyrite (all types)

Ruby

Selenite (all types)

Staurolite

Topaz (all types)

Tourmaline (all types)

Vanadinite