Mineral/Man-made
Sea Glass
Amorphous Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 5.5-7 on Mohs scale. Translucent, frosted appearance with a smooth, weathered surface. Lacks cleavage.
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Physical properties
Hardness of 5.5-7 on Mohs scale. Translucent, frosted appearance with a smooth, weathered surface. Lacks cleavage.
Formation & geological history
Formed from discarded manufactured glass that has been tumbled and weathered by ocean waves and sand over decades.
Uses & applications
Used extensively in jewelry, crafts, and collected for its aesthetic appeal.
Geological facts
True sea glass takes 20 to 40 years, and sometimes up to 100 years, to acquire its characteristic texture and shape.
Field identification & locations
Identified by its frosted, pitted surface and rounded edges. Commonly found on beaches worldwide, especially near populated areas or historical dump sites.
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