Birthstones

Birthstones

▪ Table
Birthstones
month traditional gemstone 20th-century expansion synthetic supplement: trade name material of synthetic stone
January garnet garnet dark red synthetic corundum
February amethyst amethyst purple synthetic corundum
March bloodstone aquamarine aquamarine light blue synthetic spinel
April diamond white sapphire colourless synthetic spinel or corundum
May emerald emerald synthetic emerald or synthetic green spinel
June pearl alexandrite cultured pearl, alexandrite changeable synthetic corundum (synthetic spinel is rare)
July ruby ruby red synthetic corundum
August sardonyx peridot peridot green synthetic spinel
September sapphire sapphire blue synthetic spinel or corundum
October opal tourmaline (pink or green) rozircon pink synthetic corundum or spinel
November topaz (precious) topaz quartz (citrine) topaz yellow synthetic corundum
December turquoise zircon zircon medium blue synthetic spinel
See as table:

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Universalium. 2010.

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