gemstone
Sea Glass
Man-made silicate glass
Hardness: 5.5 to 7 on the Mohs scale, Color: various frosted shades including green, white, and brown, Luster: vitreous when wet, frosted or weathered when dry, Crystal structure: amorphous
- Hardness
- 5
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Physical properties
Hardness: 5.5 to 7 on the Mohs scale, Color: various frosted shades including green, white, and brown, Luster: vitreous when wet, frosted or weathered when dry, Crystal structure: amorphous
Formation & geological history
Formed from discarded glass products that have been broken, weathered, and tumbled by wave action and sand in marine or freshwater environments over decades.
Uses & applications
Used in jewelry making, mosaic art, crafts, and as collector items.
Geological facts
Genuine sea glass takes anywhere from 20 to over 40 years of constant tumbling in the ocean to achieve its characteristic frosted appearance and smooth edges.
Field identification & locations
Found along the shores of oceans, large lakes, and seas. Often identified by its frosted, sugary texture and rounded edges.
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