mineral
Sea Glass
Amorphous Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness 5.5 to 7 on Mohs scale, typically frosted or weathered surface texture, vitreous luster, conchoidal fracture.
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Physical properties
Hardness 5.5 to 7 on Mohs scale, typically frosted or weathered surface texture, vitreous luster, conchoidal fracture.
Formation & geological history
Formed from discarded man-made glass tumbled by ocean waves and sand over decades.
Uses & applications
Used widely in crafting, jewelry making, and beachcombing collections.
Geological facts
Genuine sea glass requires 20 to 40 years of marine tumbling to achieve its signature smooth, frosted appearance.
Field identification & locations
Found along coastal beaches and shorelines worldwide, identified by its frosted matte surface and rounded edges.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous