mineral
Botryoidal Pink Agate
Silicon Dioxide (Chalcedony), SiO2
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale. Displays pink and white concentric banding with a bulbous botryoidal habit and waxy to vitreous luster.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale. Displays pink and white concentric banding with a bulbous botryoidal habit and waxy to vitreous luster.
Formation & geological history
Formed through the deposition of silica-rich groundwater within gas cavities in volcanic or metamorphic rocks over millions of years.
Uses & applications
Used primarily in lapidary arts, ornamental carvings, jewelry making, and mineral collecting.
Geological facts
The rounded, bubble-like surface is known as a botryoidal structure, formed as microcrystalline quartz layers accumulate.
Field identification & locations
Identified by its distinctive pink color banding, smooth curved botryoidal lumps, and conchoidal fracture. Found worldwide, notably in Brazil and the USA.
