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Information on Gems Ask a Gemologist! List of Author's Credentials
Gemstone Crystal System Density Hardness Refractive index Treatments
Lapis Lazuli various:
it's a rock!
2.75 5.50 1.500 none

Lapis Specimen with oval cabochon

Color:
Royal to Dark blue with mottling of gold (pyrite) and white.

Durability:
Fair

Localities:
Afghanistan, Egypt, South America, . Small quantities are also produced in Siberia, in Colorado in the United States, and in Myanmar

The name lapis is Persian for blue.


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Color:
Royal to Dark blue with mottling of gold (pyrite) and white.

Durability:
Fair

Localities:
Afghanistan, Egypt, South America, . Small quantities are also produced in Siberia, in Colorado in the United States, and in Myanmar

The name lapis is Persian for blue.


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Lapis Lazuli

(A combination of lazurite and other minerals forming a rock)

Lapis lazuli is not a mineral, but a rock consisting of as many as 15 different minerals. It is a contact metamorphic rock with variable composition and varying physical properties, usually forming as the result of contact metamorphism of limestones. The primary minerals present in lapis are lazurite, hauyine, diopside, calcite and pyrite. In Egypt, lapis beads, carvings, scarabs and jewelry date back over 5000 years! It was once believed that an Egyptian statesman was unable to tell a lie if he was holding a piece of lapis. The Buddhists believed that lapis brought its owner peace of mind and the ability to dispel evil thoughts and relieve melancholy. Modern crystal mystics continue to credit lapis with the ability to improve one's mental and emotional outlook. It enables one to open their third eye.

Lapis lazuli is somewhat porous and should be protected from chemicals and solvents. Warm soapy water is the best way to clean it. Lapis is not very hard at 5.5 and should be protected from other jewelry when stored to avoid scratches.

The following books are my recommendations for further study.
They are some of the best available.
If you would like a larger selection, please visit the Book Shop.


Gemstones: Symbols of Beauty and Power
by Eduard J. Gubelin, Franz-Zaver Erni


The Curious Lore of Precious Stones:

by George Frederick Kunz


Gemstone Buying Guide: A Guide to Buying

by Renee Newman


Gems: Their Sources, Descriptions and Identification...
by Robert Webster, Peter G. Read (Editor)
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