mineral
Lavender Chalcedony
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, pale purple to lilac color, waxy to vitreous luster, and microcrystalline quartz structure.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, pale purple to lilac color, waxy to vitreous luster, and microcrystalline quartz structure.
Formation & geological history
Formed in low-temperature hydrothermal environments and cavities of volcanic rocks, often through the deposition of silica-rich solutions.
Uses & applications
Widely used in jewelry making, lapidary arts, decorative beads, and as a collector crystal.
Geological facts
The delicate purple hue is typically caused by trace amounts of manganese or iron impurities within the microcrystalline matrix.
Field identification & locations
Can be identified by its conchoidal fracture, waxy luster, and lack of visible crystal faces without magnification. Common sources include Brazil, India, and Madagascar.
