
gemstone
Carnelian Agate
Silicon dioxide with iron oxide impurities (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, orange to reddish-brown color, waxy to vitreous luster, and cryptocrystalline structure.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, orange to reddish-brown color, waxy to vitreous luster, and cryptocrystalline structure.
Formation & geological history
Formed through the deposition of silica from groundwater in cavities of igneous and sedimentary rocks over millions of years.
Uses & applications
Widely used in making jewelry, talismans, and ornamental carvings due to its vibrant color and polishability.
Geological facts
Historically prized in ancient Rome and Egypt as a powerful protective amulet and stone of courage.
Field identification & locations
Easily identified by its translucent banding and warm reddish-orange hues; found globally, notably in Brazil and India.
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