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The wearing of carnelian is recommended to those who have a weak voice or are timid in speech, for the warm-colored stone will give them the courage they lack, so that they will speak both boldly and well," reports G. E Kunz, well known gemologist and historian.

. Carnelian was admired by Muslims, because Muhammad himself wore a silver ring/seal set with an engraved carnelian.
Napoleon I, while on a campaign in Egypt, picked up a fabulous octagonal carnelian, upon which was engraved: "The Slave Abraham Relying Upon The Merciful God."

Carnelian is a reddish variety of quartz, translucent to opaque and moderately hard. In antique jewelry and rings carnelian lends itself to engraving (ring sand cameos). It is a relatively inexpensive stone with great warmth and beauty.

Carnelian - Main Characteristics

Hardness (Mohs Scale)6.5
Molecular formulaSiO2
Composition - Silicon Dioxide.
Crystal ShapeGranular Mass.
Color/SpectrumRed to brown.
Atomic (Crystal )Structure Crystalline -quartz.
Index of Refraction1.55 - 1.54
Density (Relative)2.6 - 2.65
Light interactionWaxy.
UsesJewelry, rings, ornamental, cameo, other.

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