mineral
Quartz Geode
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to white color, vitreous luster, hexagonal crystal system, conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, transparent to white color, vitreous luster, hexagonal crystal system, conchoidal fracture.
Formation & geological history
Formed when mineral-rich groundwater deposits silica inside hollow cavities of sedimentary or volcanic rocks over millions of years.
Uses & applications
Widely used in decorative items, crystal healing, and as collector specimens.
Geological facts
Geodes appear as ordinary rocks on the outside but reveal dazzling crystal formations when cracked open.
Field identification & locations
Identify by its spherical, rough exterior and hollow, crystal-lined interior; commonly found in limestone formations worldwide.
