mineral
Clear quartz pendant
Quartz (silicon dioxide, SiO₂)
AI-generated identification · may be incorrectWhite to translucent, vitreous luster, Mohs hardness 7, trigonal crystal structure, and no cleavage; the specimen is a rough natural fragment wrapped in metal wire.
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Physical properties
White to translucent, vitreous luster, Mohs hardness 7, trigonal crystal structure, and no cleavage; the specimen is a rough natural fragment wrapped in metal wire.
Formation & geological history
Quartz forms in many geological settings, including cooling silica-rich fluids and igneous or metamorphic rocks; its age cannot be determined from the image.
Uses & applications
Used in jewelry and collecting; quartz is also important in glassmaking, electronics, and industry.
Geological facts
Quartz is one of Earth’s most abundant minerals and can occur in a wide range of colors and crystal forms.
Field identification & locations
Identify by its glassy appearance, hardness, and lack of cleavage; quartz occurs worldwide. This wire-wrapped pendant appears to be a common jewelry specimen.
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Epidote
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Unidentified pink-and-gray mineral or rock specimen
Undetermined; the image is too blurry for reliable identification
mineral