Rock Identifier

Category

Man Made Glass (Often Grouped With Minerals In Lapidary)

Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.

Learn about Man Made Glass (Often Grouped With Minerals In Lapidary) in the encyclopedia

Opalite

Goldstone

Euxenite

Blue Goldstone

Serpentinite

Serpentine

Potassium Feldspar

Potassium Feldspar

Pink Lady Obsidian

Pele's Tears

Red Obsidian

Electric Blue Obsidian

Gray Obsidian

Opalite (a synthetic glass) (Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant) — Mineral Simulant (Synthetic Glass)

Opalite (a synthetic glass)

Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant

Mineral Simulant (Synthetic Glass)

Opalite (Synthetic glass (SiO2 + metal additions)) — mineraloid

Opalite

Synthetic glass (SiO2 + metal additions)

Sea Glass (Man-made silicate glass) — mineral

Sea Glass

Man-made silicate glass

Green sea glass (likely slag glass or bottle glass) (Man-made soda-lime silicate glass; not a naturally occurring mineral) — mineral

Green sea glass (likely slag glass or bottle glass)

Man-made soda-lime silicate glass; not a naturally occurring mineral

Sea Glass (Man-made silicate glass) — mineral

Sea Glass

Man-made silicate glass

Sea Glass (Amorphous silicon dioxide) — mineral

Sea Glass

Amorphous silicon dioxide

Opalite (Synthetic Glass (typically Silica/Magnesium based with metal additives)) — mineral

Opalite

Synthetic Glass (typically Silica/Magnesium based with metal additives)

Costume Jewelry with Synthetic Gemstones (Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)) — mineral

Costume Jewelry with Synthetic Gemstones

Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)

Opalite glass sphere (likely synthetic imitation) (Man-made opalescent glass; not natural opal) — mineral

Opalite glass sphere (likely synthetic imitation)

Man-made opalescent glass; not natural opal

Sea Glass (Man-made silicate glass) — mineral

Sea Glass

Man-made silicate glass

Tumbled milky chalcedony (likely common opalite-like quartz) (Chalcedony, microcrystalline SiO₂; possibly pale common opal, hydrated SiO₂·nH₂O) — mineral

Tumbled milky chalcedony (likely common opalite-like quartz)

Chalcedony, microcrystalline SiO₂; possibly pale common opal, hydrated SiO₂·nH₂O

Tumbled milky quartz (Quartz (SiO₂), cryptocrystalline-to-massive variety) — mineral

Tumbled milky quartz

Quartz (SiO₂), cryptocrystalline-to-massive variety

Opalite (Synthetic Opalised Glass) — mineral

Opalite

Synthetic Opalised Glass

Dyed Blue Agate (Dragon Vein Agate) (Silicon Dioxide (SiO2) with artificial cobalt/organic dyes) — mineral

Dyed Blue Agate (Dragon Vein Agate)

Silicon Dioxide (SiO2) with artificial cobalt/organic dyes

Cullet Glass (Slag Glass) (Amorphous Silicon Dioxide (Industrial Man-made)) — mineraloid

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (Industrial Man-made)

Tumbled jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly containing iron oxides and other silicates) — mineral

Tumbled jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly containing iron oxides and other silicates

Green Sea Glass (Man-made silicate glass (weathered)) — sedimentary

Green Sea Glass

Man-made silicate glass (weathered)

Sea Glass (Man-made vitreous material (silica-based glass)) — mineral

Sea Glass

Man-made vitreous material (silica-based glass)

Tumbled jasper (likely brecciated or leopardskin jasper) (Microcrystalline quartz/chalcedony (SiO₂) with iron-oxide and other mineral inclusions) — mineral

Tumbled jasper (likely brecciated or leopardskin jasper)

Microcrystalline quartz/chalcedony (SiO₂) with iron-oxide and other mineral inclusions

Blue Diamond (Carbon with Boron impurities (C)) — gemstone

Blue Diamond

Carbon with Boron impurities (C)

Tumbled jasper, likely picture jasper or brecciated jasper (Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide pigments) — mineral

Tumbled jasper, likely picture jasper or brecciated jasper

Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide pigments

Opalite (Synthetic Glass (Silica-based)) — gemstone

Opalite

Synthetic Glass (Silica-based)

Blue crystal pendant (likely blue glass or synthetic crystal) (Not identifiable from the image; possibly synthetic quartz or glass, rather than a natural mineral) — gemstone

Blue crystal pendant (likely blue glass or synthetic crystal)

Not identifiable from the image; possibly synthetic quartz or glass, rather than a natural mineral

Clear quartz crystal (likely) (Quartz, silicon dioxide (SiO₂)) — mineral

Clear quartz crystal (likely)

Quartz, silicon dioxide (SiO₂)

Opalite (Man-made Glass (Synthetic Opalized Glass)) — gemstone

Opalite

Man-made Glass (Synthetic Opalized Glass)

Blue Slag Glass (Anthropogenic Amorphous Silicon Dioxide) — mineral

Blue Slag Glass

Anthropogenic Amorphous Silicon Dioxide

Blue opalescent glass-like gemstone (possibly imitation opalite) (Likely man-made opalite glass; composition varies, typically silica-based glass) — gemstone

Blue opalescent glass-like gemstone (possibly imitation opalite)

Likely man-made opalite glass; composition varies, typically silica-based glass

Tumbled milky quartz (Quartz, silicon dioxide (SiO₂)) — mineral

Tumbled milky quartz

Quartz, silicon dioxide (SiO₂)

Opalite (likely imitation opal glass) (Man-made opalescent glass; not a natural mineral (often sold as opalite)) — mineral

Opalite (likely imitation opal glass)

Man-made opalescent glass; not a natural mineral (often sold as opalite)

Clear quartz crystal (Quartz (silicon dioxide, SiO₂)) — mineral

Clear quartz crystal

Quartz (silicon dioxide, SiO₂)

Green Aventurine (SiO2 (Silicon Dioxide with Fuchsite inclusions)) — mineral

Green Aventurine

SiO2 (Silicon Dioxide with Fuchsite inclusions)

Sea Glass (Man-made silicate glass) — sedimentary

Sea Glass

Man-made silicate glass

Sea Glass (Silicon dioxide (mostly)) — mineral

Sea Glass

Silicon dioxide (mostly)

Obsidian (Volcanic Glass) — igneous

Obsidian

Volcanic Glass

Opalite (Opalescent Glass (SiO2 + coloring agents)) — Mineral (Synthetic/Man-made)

Opalite

Opalescent Glass (SiO2 + coloring agents)

Mineral (Synthetic/Man-made)

White quartz pebble (Quartz (SiO₂), likely milky quartz) — mineral

White quartz pebble

Quartz (SiO₂), likely milky quartz

Sea Glass (Man-made silicate glass) — sedimentary

Sea Glass

Man-made silicate glass

Synthetic Resin Charm (Seal Shape) (Polymer Resin with plastic glitter / Polyethylene terephthalate glitters) — Synthetic material (Not a rock or mineral)

Synthetic Resin Charm (Seal Shape)

Polymer Resin with plastic glitter / Polyethylene terephthalate glitters

Synthetic material (Not a rock or mineral)

Clear quartz fragment (Quartz (silicon dioxide, SiO₂)) — mineral

Clear quartz fragment

Quartz (silicon dioxide, SiO₂)

Tumbled jasper, likely red/brown jasper (Microcrystalline quartz (chalcedony), mainly SiO₂, colored by iron oxides) — mineral

Tumbled jasper, likely red/brown jasper

Microcrystalline quartz (chalcedony), mainly SiO₂, colored by iron oxides

Obsidian (Volcanic Glass) — igneous

Obsidian

Volcanic Glass

Sea Glass (Man-made silicate glass) — sedimentary

Sea Glass

Man-made silicate glass