• Agate
• Alexandrite
• Amber
• Amethyst
• Anyolite
• Aquamarine
• Aventurine
• Beryl
• Carnelian
• Chalcedony
• Chrysoberyl
• Citrine
• Coral
• Corundum
• Diamond
• Emerald
• Garnet
• Hematite
• Ivory
• Jade
• Jasper
• Jet
• Lapis Lazuli
• Malachite
• Mother of Pearl
• Obsidian
• Olivine
• Onyx
• Opal
• Pearl
• Peridot
• Quartz
• Rosalite
• Rose Quartz
• Ruby
• Sapphire
• Spinel
• Tanzanite
• Thulite
• Tiger's-eye
• Topaz
• Turquoise
• Tourmaline
• Zircon
• Zoisite

Citrine

Citrine, also called citrine quartz or citrine topaz, is an amber-coloured gemstone. It is a form of quartz with ferric iron impurities. Most commercial citrine is in fact artificially heated amethyst .