Some of the many semi-precious beads I use for my jewelry:

 

 

Amber
Amethyst
Aquamarine
Aventurine
Carnelian
Citrine
Coral
Coin Pearls
Chrysoprase
Fluorite
Fresh Water Pearls
Garnet
Hematite
Iolite
Jade 
Jasper
Keshi Pearls
Labradorite
Lapis Lazuli
Malachite
Moonstone
Mother of Pearl
 
Opal
 
Onyx
Peridot
Pink Quartz
Quartz
Ruby
 
Sapphire
 

Serpentine
Spinel
Tanzanite
Tourmalated Quartz
Tourmaline
Tiger’s Eye
Topaz

Special, non-precious stone beads I use from time to time:

African Trade beads
Bali Silver beads
Czechoslovakian glass beads 
Gold-filled beads
Murano glass beads
Sterling Silver beads
Swarovski Crystal beads