mineral
Blue Lace Agate (polished pendant)
SiO2 (Silicon Dioxide) - Chalcedony variety
AI-generated identification · may be incorrectHardness 6.5-7 on Mohs scale. Light blue and white banding, vitreous luster, cryptocrystalline structure, no cleavage.
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Physical properties
Hardness 6.5-7 on Mohs scale. Light blue and white banding, vitreous luster, cryptocrystalline structure, no cleavage.
Formation & geological history
Forms in cavities of volcanic rocks as silica-rich fluids deposit layers over time.
Uses & applications
Commonly used in jewelry making, ornamental carvings, and for collecting.
Geological facts
The distinct banding is caused by rhythmic deposition of silica. Notable deposits are found in Namibia.
Field identification & locations
Identified by its distinctive light blue color with delicate white lacy bands. Often sold polished or tumbled.
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Epidote
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Granite
Granite (Phaneritic intrusive igneous rock)
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