Gemstone | Enhanced / Treated | Misleading Names |
Name | Stone | |
| | |
Diamond | Quartz | Arkansas diamond, Alencon diamond, Alaska diamond, |
| | Baffa diamond, Bohemian diamond, Briancon diamond, |
| | Brighton diamond, Bristol diamond, Buxton diamond, |
| | Cape May diamond, Cornish diamond, Herkimer diamond, |
| | Dauphin diamond, German diamond, Hawaiian diamond, |
| | Horatio diamond, Hot Springs diamond, Irish diamond, |
| | Lake George diamond, Mari/marmora/marmarosch diamond, |
| | Mexican diamond, Mutzschen diamond, Occidental diamond, |
| | Paphros diamond, Pecos diamond, Quasima diamond, |
| | Quebec diamond, Rhine diamond, Saxon diamond, |
| | Colorado diamond, Radium diamond, Schaumberg diamond, |
| | Stolberg diamond, Tasmanian diamond, Trenton diamond, |
| | Vallum diamond, Washita diamond and Zabeltitzen diamond. |
| Pyrites | Alpine diamond |
| Colourless Corundum. | Arabian magic diamond |
| Hematite | Alaskan Black diamond |
| Synthetic Spinel | Jourado diamond |
| Obsidian | Nevada black diamond |
| Synthetic rutile | Rainbow magic diamond |
| Colourless Zircon | Ceylon diamond, Matura diamond and Ranggon diamond |
| Colourless Topaz | Finder's diamond, Killiecrankie diamond, Mogok diamond |
| Manmade Diamond | CZ diamond |
| Manmade Diamond | American Diamond |
| | |
Emerald | Synthetic emerald | Chatham emerald, Gilson emerald |
| Peridot | Night emerald, Bastard emerald and Evening emerald. |
| Green fluorspar | Bohemian emerald, Emerald matrix, Mother-of-emerald, |
| | South African emerald and Transvaal emerald. |
| Dioptase | Copper emerald, Congo emerald, Pyro emerald, Emerauldine |
| Quartz | Crystalline emerald, Gibsonville emerald and Indian emerald |
| | |
| Green glass imitation | Broghton emerald, Electric emerald, Ferrer's emerald, |
| | Medina emerald, Endura emerald and Spanish emerald. |
| Synthetic gems | Emeraldine, Lithia emerald, Mascot emerald, Tecla emerald |
| Green colour tourmaline | Emeraldite and Emeralite |
| Green beryl | Vanadium emerald |
| Garnet | Uralian emerald |
| Prehnite | Cape emerald |
| Euclase | Prismatic emerald |
| Green colour sapphire | Oriental emerald |
| | |
Ruby | Synthetic Ruby | Geneva ruby, Wyse ruby |
| Garnet | Adelaide ruby, Australian ruby, Bohemian ruby, Alabandine |
| | American ruby, Black Hills ruby, California ruby, |
| | Montana ruby, Mountain ruby and Rocky Mountain ruby. |
| Pyrope Garnet | Arizona ruby, Cape ruby, Fashoda ruby, |
| | Colorado ruby, Elie ruby and Rock ruby. |
| Red colour tourmaline | Brazilian Ruby, Siberian ruby and San Diego ruby. |
| Quartz | Ancona ruby and Mont Blanc ruby. |
| Spinel | Balas Ruby, Pomegranate ruby and Ruby spinel. |
| | Timur Ruby and Black Prince's Ruby |
| | |
Sapphire | Iolite and Cordierite | Lux sapphire, Lynz sapphire and Water sapphire |
| Blue colour tourmaline | Uralian sapphire |
| Blue colour spinel | Hope sapphire and Sapphirine |
| Lapis Lazuli | Gold sapphire |
| Black colour obsidian | Tokay lux sapphire |
| Blue colour zoisite | Meru sapphire |
| Lab created sapphire | Burma sapphire. |
| | |
Alexandrite | Synthetic spinel | Alexandrine or Synthetic alexandrite |
| Synthetic corundum | |
| Garnet | Alexandrite garnet |
| Sapphire | Blue alexandrite |
| | |
Agate | Obsidian | Glass agate and Iceland agate |
| Glass opal simulant | Lake Superior fire agate or Mexican agate |
| | |
Amazonite | | Confused with Jade |
| | |
Amber | Imitations and resins | Amberine, Australian amber, Black amber and Earth stone. |
| | |
Amethyst | Synthetic gems | Japanese Amethyst, Desert amethyst, False amethyst |
| | and Lithia amethyst. |
| Purple sapphire | Bengal amthyst |
| | |
Ametrine | Lab created ametrine | Synthetic ametrine |
| | |
Andalusite | Synthetic gems | Earth stone and Feldspar apyre |
| | |
Aquamarine | Topaz | Nerchinsk aquamarine |
| Blue green zircon | Siam aquamarine |
| Synthetic gems | Mass aqua and Synthetic aquamarine. |
| | |
Aventurine | Synthetic gems | Aventurescence |
| | |
Bloodstone | Moldavite cut gems | Bottlestone |
| | |
Chalcedony | | Also known as Calcedony and confused with quartz. |
| | |
Charoite | | |
| | |
Chrysolite | | Same as Peridot . Additional name for peridot. ( Refer the same ) |
| | |
Citrine | Quartz | Smoky Citrine |
| Synthetic gems | Madeira citrine, Topaz quartz |
| | |
Coral | Imitations | Japanese Moro coral, Chinese coral |
| | |
Diopside | Synthetic gems | Chrome diopside |
| | |
Garnet | Leucite | White garnet and Vesuvian garnet |
| Idocrase | Pyramidal garnet |
| Synthetic gems | Rhodolite, Bohemian garnets and Malaya |
| Black titanium | Melanite |
| | |
Heliotrope | | It is the additional name for Bloodstone. ( Refer the same ) |
| | |
Hematite | Synthetic gems | Micaceous hematite, Red ochre or ruddle, |
| | Kidney ore and Pencil ore |
| | |
Iolite | Synthetic gems | Spanish lazulite and Water sapphire |
| | |