Carnelian was the stone of courage to the ancient Romans, and for the ancient Egyptians it assisted the dead in their journey to the afterlife. Learn more about the incredible history of this gemstone, it's believed properties and how to incorporate it into your jewelry designs.
Carnelian Metaphysical Properties
From antiquity, carnelian has been worn in cameos in the belief that it would ward off insanity and depression. In contemporary times, carnelian is thought by some to enhance self-esteem and creativity, to combat feelings of inadequacy, to increase physical energy and overcome insomnia. In the home, carnelian is believed to increase motivation towards action. It is sometimes used as a talisman to protect against fire and misfortune. Carnelian is associated with the solar plexus chakra (the yellow chakra), in which imbalances are thought to cause digestive problems, as well as lack of confidence.
Carnelian Geological Properties
Carnelian is a variety of chalcedony and is a microcrystalline quartz. As a chalcedony, carnelian is formed from the intergrowth of two silica minerals with differing crystal structures: quartz and moganite. Carnelian appears in a vibrant range of fire-orange reds to brown-reds and has a dull, waxy luster (as opposed to the vitreous quality of crystal quartzes such as amethyst). The reddish tints in the translucent stone are due to one of its ingredients: iron oxide. Carnelian can be confused with jasper, which is usually considered a chalcedony.
Carnelian is most commonly found in India, Brazil, Siberia and Germany.
Most carnelian gemstones are dyed and heat-treated to achieve additional color variations.
The method of dyeing will vary by the source, vendor and technology. Typically, carnelian gemstones, which are porous, are placed in vats of dye containing organic or vegetable dyes. Chemical salts and natural pigments may also be used. The stones may soak for several weeks to allow the dye to fully penetrate the stone and produce uniform surface color. Dyed carnelian has excellent stability and some special care may be required.
Carnelian gemstones can also be heated to about 2900 degrees Fahrenheit, changing chemicals such as iron oxide, inclusions and impurities to produce different intensities or colors. Heated carnelian has excellent stability and can be cared for normally.
Certain carnelian gemstones may fade in light or heat. In fact, in India, these stones are treated with exposure to the sun, which turns the stone's brownish tints to purer reds.