Colored gemstone color classification
Natural red gemstone
Positive red gems are rare, mainly found in rubies, spinels and garnets, and some very good red tourmalines, which are rare.
Common red gems are:
Ruby, spinel, garnet (from left to right, the same below)
Tourmaline, feldspar, zircon
Natural pink gemstone
Most of the pink gems on the market are tourmalines and spinels, and the more rare pink sapphires are also very charming. Red garnet is more like purple pink.
Common pink gems are:
Sapphire, tourmaline, spinel
Red garnet, powder crystal, purple spodumene, morganite
Natural blue gemstone
Sapphire, spinel and kyanite are also possible to cut high-saturation blue gems.
Light blue: natural blue topaz blue, blue zircon, aquamarine is also a good choice. Purple blue: tanzanite and cordierite. Greenish blue: Paraiba tourmaline, apatite and fluorite. Common blue gems are:
Sapphire, tourmaline, spinel
Tanzanite, topaz, zircon
Aquamarine, apatite, lapis lazuli
Paraiba tourmaline, moonstone, cordierite
Kyanite, chalcedony, fluorite
Natural green gemstone
Traditional green gemstones are emeralds, as well as savory stones (a type of garnet) and chrome diopside. Olivine is more like olive green. Common green gems are:
Emerald, tourmaline, Paraiba tourmaline
Chrome tourmaline, chrome diopside, peridot
Apatite, sapphire, dongling stone
Grape stone, chalcedony, zoisite
Natural yellow/golden gemstone
The most common yellow gems are citrine and yellow sapphires.
Common yellow gems are:
Sapphire, citrine, fire opal
Tourmaline, vermiculite, zircon
Orthodox, gold emerald, beryl
Spodumene, chalcedony, diamond
Purple gems
There are very few purple gems. Amethyst is a typical example. Fluorite will also have the same color as amethyst. Some spinels, tourmalines and sapphires will also have beautiful purple. Chalcedony sometimes shows a unique lavender color.
Common purple gems are:
Amethyst, fluorite, spinel
Tourmaline, sapphire, chalcedony
Natural orange gemstone
Manganese garnet is the most famous orange gemstone, and some heat-treated sapphires also show a beautiful orange color. A good fire opal can also show a beautiful orange to orange red.
Common orange gems are:
Manganese garnet, zircon, fire opal
Sapphire, emperor topaz, moonstone
Citrine, sun stone
Natural white gemstone
Diamonds, sapphires, topaz, and real white gems such as opal and moonstone.
Common white gems are:
Diamond, sapphire, moonstone
Topaz, Opal, Emerald
Crystal, chalcedony
Natural brown gemstone
Brown gems are less popular, but there are some exceptions, such as peach-colored, orange-bronze emperor topaz.
Common brown gems are:
Smoky quartz, tiger eye stone, chalcedony
Tourmaline, emperor topaz
Natural grey gemstone
Few gems are mainly gray or silver, and the bright reflection of the spinel is the most beautiful among the gray gems.
Common grey stones are:
Spinel, tourmaline, fluorite
Natural black gemstone
Black diamonds are often caused by natural radiation, but black tourmalines are more commonly used. Thailand's black star sapphire is also very popular. Common black stones are:
Diamond, tourmaline, onyx
Chalcedony, sapphire
Natural multicolor gemstone
Multicolor gems refer to different hues that exhibit different colors. Some of them, such as tourmaline, fluorite, and ametrine, are ribbons of different colors in the same gem.
Others, such as andalusite, are due to strong pleochroism, resulting in different colors observed at different angles. Common multicolor stones are:
Tourmaline, fluorite, andalusite
Opal, vermiculite, sapphire
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