gemstone
Yellow Agate
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, yellow to amber color, waxy to vitreous luster, and microcrystalline crystal structure with conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, yellow to amber color, waxy to vitreous luster, and microcrystalline crystal structure with conchoidal fracture.
Formation & geological history
Forms by the deposition of silica from groundwater in the cavities of igneous and sedimentary rocks, often accumulating over millions of years.
Uses & applications
Widely used in jewelry making, ornamental carvings, lapidary arts, and metaphysical collections.
Geological facts
Agate bands represent successive layers of microscopic quartz crystals settling from silica-rich fluids over long periods.
Field identification & locations
Identified by its waxy luster, smooth tumbled feel, and subtle translucent banding; commonly found in riverbeds and gravel deposits worldwide.
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