mineral
Sea Glass
Amorphous silicon dioxide
AI-generated identification · may be incorrectHardness of 5.5 to 7 on the Mohs scale, frosted surface texture, green or blue-green color, and vitreous to dull luster.
Identified More mineral →
Explore Sea Glass in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 5.5 to 7 on the Mohs scale, frosted surface texture, green or blue-green color, and vitreous to dull luster.
Formation & geological history
Formed from discarded man-made glass subjected to decades of mechanical wave action and tumbling in saline aquatic environments.
Uses & applications
Used extensively in arts, crafts, coastal jewelry, and decorative home displays.
Geological facts
Genuine sea glass can take anywhere from 20 to over 40 years of continuous tumbling in the ocean to achieve its characteristic frosted appearance.
Field identification & locations
Found along the shorelines of oceans and large lakes. Look for uniformly frosted surfaces and smooth, rounded edges.
