mineral
Green sea glass (likely)
Anthropogenic glass, not a mineral; composition commonly soda–lime silicate glass
AI-generated identification · may be incorrectDark green, glossy, rounded pebble-like piece with a bright green fragment attached. Glass has no crystal structure or cleavage and is typically about 5–6 Mohs, but the image is too blurry to verify surface frosting or natural mineral features.
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Physical properties
Dark green, glossy, rounded pebble-like piece with a bright green fragment attached. Glass has no crystal structure or cleavage and is typically about 5–6 Mohs, but the image is too blurry to verify surface frosting or natural mineral features.
Formation & geological history
Likely discarded bottle glass smoothed by water or abrasion; it is human-made rather than a geological rock, so it has no geological age.
Uses & applications
Collected as beach glass or used in crafts and jewelry; not typically used as an industrial mineral specimen.
Geological facts
Sea glass is often frosted and rounded by prolonged exposure to waves, sand, and weathering; a sharp, vivid fragment may indicate relatively recent breakage.
Field identification & locations
Green bottle glass is common on beaches and waterways. Look for frosted surfaces, rounded edges, and bubbles; those features help distinguish glass from natural green minerals.
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