Agate
 

Amazonite
 

Amber
 

Amethyst
 

Apatite
 

Aquamarine
 

Aventurine
 

Bloodstone
 

Buri beads
 

Carnelian
 

Chrysoprase
 

Citrine
 

Coral
 

Diamond
 

Dichroic glass
 

Druzy
 

Emerald
 

Fluorite
 

Garnet
 

Goldstone
 

Graphite
 

Hematite
 

Iolite
 

Jade
 

Jasper
 

Kazuri beads
 

Kynite
 

Kyolite
 

Labradorite
 

Lampworked glass
 

Lapis
 

Lepidolite
 

Lodestone
 

Magma (lava)
 

Malachite
 

Marcasite
 

Moonstone
 

Mother-of-pearl
 

Obsidian
 

Onyx
 

Opal
 

Pearl
 

Peridot
 

Pietersite
 

Pyrite
 

Quartz
 

Ruby
 

Rhodonite
 

Rhyolite
 

Sapphire
 

Serpentine
 

Sodalite
 

Spinel
 

Sugilite
 

Tanzanite
 

Tiger's-eye
 

Topaz
 

Tourmaline
 

Turquoise
 

Unikite
 

Clay