mineral
Chalcedony Rose
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, colors range from white, grey, yellowish-brown, to reddish-brown, waxy to vitreous luster, cryptocrystalline crystal structure, no cleavage, specific gravity of 2.58-2.62.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, colors range from white, grey, yellowish-brown, to reddish-brown, waxy to vitreous luster, cryptocrystalline crystal structure, no cleavage, specific gravity of 2.58-2.62.
Formation & geological history
Formed through the deposition of silica-rich solutions in cavities or fractures within volcanic or sedimentary rocks at low temperatures, often over millions of years.
Uses & applications
Used primarily in lapidary arts, ornamental carvings, and as a popular specimen for mineral and crystal collectors.
Geological facts
Chalcedony roses, sometimes called desert roses or barite roses depending on the exact mineral composition, form in distinctive rosette clusters that mimic flower petals.
Field identification & locations
Can be identified by its distinctive botryoidal or rosette habit, conchoidal fracture, and waxy luster. Commonly found in areas with past volcanic or hydrothermal activity.
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Septarian Pebble
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