Just a few of the minerals
Amethyst works with:

African Greenspot Jasper
Agate
Amazonite
Amber
Amethyst
Ametrine
Ammonite
Apatite
Aquamarine
Astrophyllite
Austrailian Black Jade
Aventurine
Azurite
Azurite-Chrysocolla
Azurite-Malachite
Black Opal
Black Tourmaline
Blue Lace Agate
Blue Opal
Blue Quartz
Blue Topaz
Carnelian
Chalcedony
Charoite
Chiastolite
Chrysocolla
Chrysoprase
Citrine
Clear Quartz
Dalmation Jasper
Dumortierite
Emerald
Flower Sugilite
Fluorite
Garnet
Gaspeite
Granite
Hematite
Hemimorphite
Howlite
Iolite
Jade
Kombaba Jasper
Kunzite
Kyanite
Labradorite
Lava
Lazurite
Lemon Quartz
Lepidolite
Malachite
Marble
Mookite
Moonstone
Nephrite Jade
Ocean Jasper
Onyx
Opal
Peridot
Petrosky Stone
Pietersite
Pink Marble
Pink Tourmaline
Print Stone
Purperite
Rainbow Moonstone
Red Jasper
Rhodochrosite
Rhodonite
Rose Quartz
Ruby
Ruby Zoisite
Serpentine
Shattuckite
Smoky Quartz
Sodalite
Sugilite
Sunstone
Tanzanite
Tektites
Tigereye
Tourmalinated Quartz
Tourmaline
Tree Agate
Turquoise
Unakite
Watermelon Tourmaline
Yellow Calcite