Lapis

Lapis Gemstone Information
Information * Loose gemstones * Jewelry links
Lapis is the gemstone representing the 9th wedding anniversary. It was considered to be an emblem of chastity that blocked the wiles of the devil and ensured the help of the angels. It was also thought to calm the wearer. Lapis was used as a tonic for melancholy and fever. It was worn by judges, and sometimes put in embalmed bodies to represent the heart that was removed.
 

ENHANCEMENT CODE D
Click to view AGTA code.

PROPERTIES
Refractive Index 1.500-1.670
Hardness = 5-6 (Moh's Scale)
Specific Gravity =2.75
Species - Lapis Lazuli
Optic Character - Aggregate.
Phenomena - None


WARNINGS FOR CARE
Ultrasonic: Risky
Steamer: Never
Heat: Poor
Chemicals that harm: Hydrochloric acid, cyanide solution

 

Crystal Structure
Lapis crystal matrix image.
Crystal system: Isometric, crystals (rare), dense aggregate.

MAJOR SOURCES
Afghanistan, Chile, USSR
Birthstones
 January  Garnet
February Amethyst
March Aquamarine
April Diamond
May Emerald
June Pearl/Alexandrite
July Ruby
August Peridot
September Sapphire
October Opal/Tourmaline
November Topaz or Citrine
December Blue Topaz or Zircon
Cabochon is the popular cut used in jewelry for lapis.
Cabochons are smooth polished surfaces not faceted.
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