mineral
Green sea glass or green glass-like tumbled material
Amorphous silicate glass; likely anthropogenic soda-lime glass, not a natural mineral
AI-generated identification · may be incorrectTranslucent bright green, smooth rounded surfaces, and vitreous luster; glass has no crystal structure or cleavage and is typically Mohs hardness 5–6. The frosted surface and rounded edges suggest prolonged abrasion in water or tumbling.
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Physical properties
Translucent bright green, smooth rounded surfaces, and vitreous luster; glass has no crystal structure or cleavage and is typically Mohs hardness 5–6. The frosted surface and rounded edges suggest prolonged abrasion in water or tumbling.
Formation & geological history
Most likely weathered bottle or container glass formed by humans, then naturally or mechanically abraded; it is not a geological rock and has no geological age. A natural green mineral such as aventurine quartz is less likely because the specimen appears uniformly glassy.
Uses & applications
Collected as sea glass or used in crafts and jewelry; it has little industrial value as an individual fragment. Genuine rare sea-glass colors can be collectible.
Geological facts
Color commonly comes from iron, chromium, or copper-bearing glass additives. The specimen’s smooth, frosted texture and bubble-like inclusions are typical clues to glass.
Field identification & locations
Identify by checking for uniform conchoidal fracture, possible bubbles, lack of crystals, and consistent glassy translucence; natural aventurine quartz would show granular sparkle and greater hardness. Common on beaches, riverbanks, and around discarded glass sources.
