Gem encyclopedia
Researched, sourced entries for 112 gemstones: what each one is, how it forms, its hardness, history, uses and care.
Quartz & Crystal Family 24 gems
- Rose Quartz
- Clear Quartz
- Amethyst
- Citrine
- Smoky Quartz
- White Chalcedony
- Red Jasper
- Dragon Jasper
- Picture Jasper
- Leopard Jasper
- Blue Jasper
- Red Aventurine
- Green Aventurine
- Blue Aventurine
- Phantom Quartz
- Red Quartz
- Green Quartz
- Rutilated Quartz
- Rutile Quartz
- Tourmalinated Quartz
- Actinolite Quartz
- Hematoid Quartz
- Sagenitic Quartz
- Strawberry Quartz
Chalcedony & Agate Family 8 gems
Feldspar Family 4 gems
Volcanic & Glassy Family 6 gems
Other Silicates & Gemstones 38 gems
- Jadeite
- Lapis Lazuli
- Turquoise
- Aquamarine
- Garnet
- Apatite
- Iolite
- Lepidolite
- Kunzite
- Black Tourmaline
- Prehnite
- Sodalite
- Malachite
- Rhodonite
- Charoite
- Pietersite
- Mookaite Jasper
- Zebra Stone
- Red Aragonite
- Kambaba Jasper
- Yooperlite
- Angelite
- Dumortierite
- Dalmatian Stone
- Bronzite
- Magnesite
- Petrified Wood
- Opal
- Bloodstone
- Tiger's Eye
- Red Tiger-eye
- Blue Quartzite
- Ruby Zoisite
- Fluorite
- Nacre Shell
- Kyanite
- Diopside
- Lemon Serpentine