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 Forbidden terms |
| We find still nowadays, in the trade or reviews, stones attach wrongly to a name which makes confusion on the nature of the stone: they are forbidden terms. Obviously, it is interdict to use them!
Here is a list: |
Forbidden terms |
True name |
| Brazilian aquamarine |
Blue topaz |
| Eastern aquamarine |
Pale blue sapphire |
| Siam aquamarine |
Blue zircon |
| Synthetic aquamarine |
Synthtic spinel |
| Blue alexandrite |
Sapphire |
| Eastern amethyst |
Purple spinel |
| Chrysolite aquamarine |
Green-olive beryl |
| Chrysolite of Brazil |
Chrysoberil or Tourmaline |
| Chrysolite of Cape |
Green prehnite |
| Chrysolite of Bohemia |
Moldavite |
| Chrysolite of Saxony |
Topaz |
| Chrysolite of Siberia |
Demantoide |
| Diamond of Alaska |
Rock crystal |
| Diamond of Alençon |
Smoky quartz |
| German diamond |
Rock crystal |
| Diamant of Arkansas |
Rock crystal |
| Diamond of Bohemia |
Rock crystal |
| Diamond of Ceylon |
White zircon |
| Diamond of Dauphiné |
Rock crystal |
| Marmarosch diamond |
Rock crystal |
| Matura diamond |
Rock crystal |
| Mexican diamond |
Rock crystal |
| Diamond of Rennes |
Rock crystal |
| Diamond of Saxony |
Colourless topaz |
| Diamond simili |
Glass |
| Diamond strass |
Glass or Quartz |
| Diamond of Tasmania |
White topaz |
| Emerald of Africa |
Green fluorite |
| Emerald of Brazil |
Green tourmaline |
| Emerald of Cape |
Green prehnite |
| Copper emerald |
Dioptase |
| Lithic emerald |
Hiddenite |
| Eastern emerald |
Green sapphire |
| Emerald of theUral |
Demantoide |
| Emerald of Siberia |
Green tourmaline |
| Garnet of Bohemia |
Pyrope |
| Syrian garnet |
Purplished red garnet |
| Eastern Hyacinthe |
Pink sapphire |
| Jade of America |
Green vesuvianite |
| Corean jade |
Serpentine |
| Mexican jade |
Aventurine |
| Jade of Pakistan |
Green calcite |
| Jade of Transvaal |
Green vesuvianite |
| Jargon |
Red zircon |
| German lapis lazuli |
Jasper tints in blue |
| Swiss lapis lazuli |
Jasper tints in blue |
| Opal of Ceylon |
Moon stone |
| Blue moon stone |
Chalcedony |
| Ruby of Adélaïde |
Pyrope |
| Ruby of Alabanda |
Garnet almandite |
| Ruby almandite |
Red pink spinel |
| Ruby of America |
Pyrope |
| Ruby of Arizona |
Pourpre |
| Ruby of Bohemia |
Pyrope ou pink quartz |
| Ruby of Brazil |
Pink topaz |
| Ruby of California |
Pyrope |
| Ruby of Cape |
Pyrope |
| Ruby of Ceylon |
Garnet almandite |
| Ruby of Montana |
Grossularite |
| Ruby of Siberia |
Red tourmaline |
| Ruby spinel |
Red spinel |
| Sapphire of Brazil |
Blue topaz |
| Water sapphire |
Cordierite |
| Eastern sapphire |
Blue tourmaline |
| Sapphire spinel |
Blue spinel |
| Sapphire topaz |
Yellow sapphire |
| Spinel almandite |
Garnet almandite |
| Spinel of Arizona |
Pyrope |
| Spinel of Candy |
Garnet of Ceylon |
| Starlite |
Blue zircon |
| Topaz of Bahia |
Citrine |
| Topaz of Bohemia |
Citrine or heated amethyst |
| Topaz of Scotland |
yellow quartz |
| Topaz of Spain |
Citrine or heated amethyst |
| Smoky topaz |
Smoky quartz |
| Indian topaz |
Citrine or heated amethyst |
| Topaz of Madeira |
Citrine or heated amethyst |
| Eastern topaz |
Yellow sapphire |
| Topaz of Palmyre |
Citrine or heated amethyst |
| Topaz quartz |
Citrine |
| Topaz of Rio Grande |
Citrine |
| Royal topaz |
Orange sapphire |
| Topaz of Salamanque |
Citrine or heated amethyst |
| Topaz Serra |
Citrine or heated amethyst |
| Turquoise of Vienna |
Alumina phosphates tints in blue |
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