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Peridot
Gemstone Information
Information * Loose gemstones
* Jewelry links
Peridot is the birthstone for the month of August and the gemstone representing the 16th wedding anniversary. It was known to be dull by day, but "glow like a coal" at night. This "glow" let prospectors spot deposits in the dark and mark them for digging the next day. Peridot was thought to help dreams become a reality, and was often given as a symbol of fame, dignity, and protection.
View
examples of cut
peridot below
and prices in our store section.
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ENHANCEMENT CODE N
Click to view
AGTA code.
PROPERTIES
Refractive
Index 1.654-1.690
Hardness = 6.5-7 (Moh's
Scale)
Specific Gravity = 3.34
Species - Peridot.
Optic Character - Double Refraction.
Phenomena - None
WARNINGS FOR CARE
Ultrasonic: Risky to use.
Steamer: Never use.
Heat: Poor; rapid heat may cause fracturing
or breakage.
Chemicals that
harm: Sulfuric acid, hydrochloric acid,
pickling solution.
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Crystal Structure
Crystal system: Orthorhombic; short prisms,
vertically striated.
MAJOR SOURCES
China, Australia, Brazil, Myanmar, Kenya,
Mexico, Sri Lanka, US |
Birthstones |
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January |
Garnet |
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February |
Amethyst |
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March |
Aquamarine |
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April |
Diamond |
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May |
Emerald |
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June |
Pearl/Alexandrite |
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July |
Ruby |
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August |
Peridot |
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September |
Sapphire |
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October |
Opal/Tourmaline |
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November |
Topaz or Citrine |
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December |
Blue Topaz or Zircon |
Antique. |
Antique
Cushion. |
Straight
Baguette.
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Emerald
cut.
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Heart Shape. |
Marquise cut.
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Oval shape. |
Pear Shape. |
Brilliant cut. |
Square cuts.
Princess cut.
Step cut.
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Trillion Cut. |
Square cabochon.
Buff top Faceted Bottom. |
Round
cabochon.
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Oval
cabochon. |
Pear
cabochon. |
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