gemstone
Agate with Carnelian
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, waxy to vitreous luster, microcrystalline quartz structure, and conchoidal fracture.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, waxy to vitreous luster, microcrystalline quartz structure, and conchoidal fracture.
Formation & geological history
Formed through the deposition of silica from groundwater in cavities of igneous and sedimentary rocks over millions of years.
Uses & applications
Used primarily in jewelry, ornamental carvings, and as a popular specimen for mineral collectors.
Geological facts
Ancient civilizations used agate for protective talismans and signet rings due to its durability and banded beauty.
Field identification & locations
Identify by its waxy luster, conchoidal fracture, and translucent banded appearance; commonly found globally in volcanic rock cavities.
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