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Locations: |
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Brazil, India,
Madagascar, Sri Lanka, Uruguay |
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Colors Found: |
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Family: |
Chalcedony |
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Hardness: |
7.00 |
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Refractive Index: |
2.65 - 2.66 |
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Relative Density: |
1.543 - 1.554 |
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Also known as Sadoine or Mecca Stone and sometimes
spelt Carnelian, the name is derived from the Latin world for flesh,
“carne”, due to its orangey red color.

Cornelian has been an important gem in nearly every great
civilization. From the royalty of Ur (the Mesopotamian capital of
pre-biblical times), to Napoleon (he returned from his Egyptian campaign
with a huge octagonal Cornelian) and Tibetan Buddhists, Cornelian has been
revered for its healing, spiritual and creative qualities.
A deeply religious gem, Cornelian was used by the Egyptian goddess Isis to
protect the dead on their journey through the afterlife.
Cornelian is mentioned in the Bible as being one of the “stones of fire”
(Ezekiel 28:13-16) given to Moses for the breastplate of Aaron (Exodus
28:15-30) and is also one of the twelve gemstones set in the foundations
of the city walls of Jerusalem (Revelations 21:19). It is the symbol of
the Apostle Philip.
Popular in ancient Greece and Rome for intaglio (a gem carved in negative
relief) signet rings, the Romans symbolically associated dark colored
Cornelian with men and light colored Cornelian with women.
Muhammad’s seal was an engraved Cornelian set in a silver ring.
To this day Buddhists in China, India and Tibet believe in the protective
powers of Cornelian and often follow the Egyptian practice of setting the
gem with Turquoise and Lapis Lazuli for enhanced power.

Cornelian is a translucent orange to red variety of Chalcedony. A
uniformly colored cryptocrystalline Quartz, its red tints are caused by
iron oxide trace elements.
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