Families of gemstones
You'd be surprised how useful considering a gem in relation to its nearest counterparts can be, especially for complicated families like Garnet.
The following charts group gems based on their chemical composition (e.g. silicates, oxides and hydroxides) and mineral families (e.g. Corundum, Beryl and Feldspar).
| Borates | |||
| Howlite | - | - | - |
| Sinhalite | - | - | - |
| Carbon | |||
| Diamond | Blue Diamond | - | - |
| Chamapagne Diamond | - | - | |
| Yellow Diamond | - | - | |
| Black Diamond | - | - | |
| Pink Diamond | - | - | |
| Red Diamond | - | - | |
| Green Diamond | - | - | |
| Carbonates | |||
| Azurmalachite | - | - | - |
| Aragonite | - | - | - |
| Azurite | - | - | - |
| Calcite | - | - | - |
| Cerussite | - | - | - |
| Crysocolla | - | - | - |
| Dolomite | - | - | - |
| Malachite | - | - | - |
| Rodocrosite | - | - | - |
| Smithsonite | - | - | - |
| Halides | |||
| Fluorite | - | - | - |
| Igneous Rock | |||
| Obsidian | Snowflake Obsidian | - | - |
| Organics | |||
| Amber | - | - | - |
| Jet | - | - | - |
| Pearl | Akoya Pearl | - | - |
| Freshwater Pearl | - | - | |
| Mabe Pearl | - | - | |
| Mother of pearl | - | - | |
| South Sea Pearl | - | - | |
| Tahitian Pearl | - | - | |
| Shell | - | - | - |
| Oxides and hydroxides | ||||
| Cassiterite | - | - | - | |
| Chrysoberyl | Alexandrite | Cat’s Eye Alexandrite | - | |
| Cat's Eye Chrysoberyl | - | - | - | |
| Vanadium Chrysoberyl | - | - | - | |
| Corundum | Ruby | Tanzanian Ruby | - | |
| Star Ruby | - | |||
| Sapphire | Blue Sapphire | Ceylon Sapphire | ||
| Kanchanaburi Sapphire | ||||
| Midnight Blue Sapphire | ||||
| Fancy Sapphire | Black Star Sapphire | |||
| Color Change Sapphire | ||||
| Green Sapphire | ||||
| Orange Sapphire | ||||
| Padparadscha Color Sapphire | ||||
| Padparadscha Sapphire | ||||
| Pink Sapphire | ||||
| Purple Sapphire | ||||
| Star Sapphire | ||||
| Sunset Sapphire | ||||
| White Sapphire | ||||
| Yellow Sapphire | ||||
| Cuprite | - | - | - | |
| Diaspro | Zultanite | Cat's Eye Zultanite | - | |
| Hematite | - | - | - | |
| Rutile | - | - | - | |
| Spinel | Black Spinel | - | - | |
| Blue Spinel | - | - | ||
| Fancy Spinel | - | - | ||
| Gahnite | - | - | ||
| Noble Red Spinel | - | - | ||
| Pink Spinel | - | - | ||
| Purple Spinel | - | - | ||
| Phosphates | |||
| Ambligonite | - | - | - |
| Apatite | - | - | - |
| Brazilianite | - | - | - |
| Lazulite | - | - | - |
| Turquoise | - | - | - |
| Silicates | ||||
| Amazonite | - | - | - | - |
| Andalusite | - | - | - | - |
| Axinite | - | - | - | - |
| Beryl | Aquamarine | Aquamarine AAA | - | - |
| - | Cat's Eye Acquamarine | - | - | |
| Red Beryl | Pezzottaite (not always considered a member of the beryl family) | - | - | |
| Emerald | - | - | - | |
| Goshenite | - | - | - | |
| Heliodor | - | - | - | |
| Morganite | Bicolor Morganite | - | - | |
| Yellow Beryl | - | - | - | |
| Clinohumite | - | - | - | - |
| Danburite | - | - | - | - |
| Diopside | Russian Diopside (also known as Chrome Diopside) | - | - | - |
| Star Diopside | - | - | - | |
| Dioptase | - | - | - | - |
| Dumortierite | - | - | - | - |
| Enstatite | Bronzite | - | - | - |
| Epidote | - | - | - | - |
| Euclase | - | - | - | - |
| Feldspar | Andesine | - | - | - |
| Labradorite | - | - | - | |
| Moonstone | Rainbow Moonstone | - | - | |
| Ortoclase | - | - | - | |
| Spectrolite | - | - | - | |
| Sunstone | Star Sunstone | - | - | |
| Garnet | Pyralspite | Almandine | Mozambique Garnet | - |
| Pyrope | Mozambique Garnet (Pyrope and Almandine) | - | ||
| Rhodolite (Pyrope and Almandine) | - | |||
| Spessartite | Mandarin Garnet | - | ||
| Malaia Garnet (Spessartite and Pyrope) | Color Change Garnet | |||
| Umbalite (Pyrope and Almandine with traces of Spessartite) | - | |||
| Ugrandite | Andradite | Demantoid | - | |
| Grossularite | Mail Garnet (Andradite and Grossularite) | - | ||
| Merelani Mint Garnet | - | |||
| Essonite | - | |||
| Tsavorite | - | |||
| Uvarovite | - | - | ||
| Hauyne | - | - | - | - |
| Hemimorfite | - | - | - | - |
| Hypersthene | - | - | - | - |
| Vesuvian | - | - | - | - |
| Iolite | - | - | - | - |
| Jade | Jadeite | - | - | - |
| Nephrite | - | - | - | |
| Kornerupine | - | - | - | - |
| Kyanite | - | - | - | - |
| Lapis lazuli | - | - | - | - |
| Lepidolite | - | - | - | - |
| Mookite | - | - | - | - |
| Natrolite | - | - | - | - |
| Opal | Black Opal | - | - | - |
| Blue Opal | - | - | - | |
| Blue Fire Opal | - | - | - | |
| Boulder Opale | - | - | - | |
| Fire Opal | - | - | - | |
| Green Opal | - | - | - | |
| Jelly Opal | - | - | - | |
| Matrix Opal | - | - | - | |
| Pink Opal | - | - | - | |
| Semi Black Opal | - | - | - | |
| White Opal | - | - | - | |
| Yellow Opal | - | - | - | |
| Pectolite | Larimar | - | - | - |
| Peridot | - | - | - | - |
| Petalite | - | - | - | - |
| Phenakite | - | - | - | - |
| Prehnite | - | - | - | - |
| Quartz | Amethyst | Bicolor Amethyst | - | - |
| Rose de France Amethyst | - | - | ||
| Ametrine | - | - | - | |
| Bicolor Quartz | - | - | - | |
| Blue Moon Quartz | - | - | - | |
| Chalcedony | Agate | - | - | |
| Aventurine | - | - | ||
| Chrysoprase | - | - | ||
| Fire Agate | - | - | ||
| Heliotrope | - | - | ||
| Diaspro | - | - | ||
| Carnelian | - | - | ||
| Onyx | - | - | ||
| Sard | - | - | ||
| Sardonyx | - | - | ||
| Citrine | Bicolor Citrine | - | - | |
| Cognac Quartz | - | - | - | |
| Green Amethyst | - | - | - | |
| Lemon Citrine | - | - | - | |
| Olive Quartz | - | - | - | |
| Phantom Quartz | - | - | - | |
| Rainbow Quartz | - | - | - | |
| Pink Quartz | - | - | - | |
| Graffiti Quartz | - | - | - | |
| Smoky Quartz | - | - | - | |
| Tiger's Eye | - | - | - | |
| White Quartz | - | - | - | |
| Quartzite | - | - | - | - |
| Rodonite | - | - | - | - |
| Scapolite | Cat's Eye Scapolite | - | - | - |
| Serpentine | - | - | - | - |
| Silimanite | Cat's Eye Silimanite | - | - | - |
| Star Silimanite | - | - | - | |
| Sodalite | - | - | - | - |
| Sphene | - | - | - | - |
| Spodumene | Hiddenite | - | - | - |
| Green Kunzite | - | - | ||
| Yellow Kunzite | - | - | ||
| White Kunzite | - | - | ||
| Staurolite | - | - | - | - |
| Sugilite | - | - | - | - |
| Thomsonite | - | - | - | - |
| Topaz | Flamingo Topaz | - | - | - |
| Sky Blue Topaz | - | - | - | |
| Imperial Topaz | - | - | - | |
| Kiwi Topaz | - | - | - | |
| Cherry Topaz | - | - | - | |
| London Blue Topaz | - | - | - | |
| Mulberry Topaz | - | - | - | |
| Moonlight Topaz | - | - | - | |
| Ocean Topaz | - | - | - | |
| Mystic Topaz | - | - | - | |
| Neptune Topaz | - | - | - | |
| Swiss Blue Topaz | - | - | - | |
| Twilight Topaz | - | - | - | |
| Grape Topaz | - | - | - | |
| White Topaz | - | - | - | |
| Tourmaline | Elbaite | Bicolor Tormaline | - | - |
| Black Tourmaline | - | - | ||
| Blue Green Tourmaline | - | - | ||
| Cuprian Tourmaline | - | - | ||
| Fancy Tourmaline | - | - | ||
| Green Tourmaline | - | - | ||
| Indicolite | - | - | ||
| Paraíba Tourmaline | - | - | ||
| Pink Tourmaline | - | - | ||
| Rubellite | - | - | ||
| Dravite | Chrome Tourmaline | - | - | |
| Unakite | - | - | - | - |
| Zircon | Zircon Ratanakiri | - | - | - |
| Zoisite | Tanzanite | AAA Tanzanite | - | - |
| Sulphates & Chromates | |||
| Anglesite | - | - | - |
| Baryte | - | - | - |
| Celestine | - | - | - |
| Gypsum | - | - | - |
| Sulphides | |||
| Marcasite | - | - | - |
| Pyrite | - | - | - |
| Sphalerite | - | - | - |
| Tectites | |||
| Moldavite | - | - | - |
| Tungstates | |||
| Scheelite | - | - | - |
