Rock Identifier

Category

Man Made Mineral Simulant (Glass)

Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.

Learn about Man Made Mineral Simulant (Glass) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Porphyritic Obsidian

Porphyritic Obsidian

Gold Sheen Obsidian

Zincite

Carbonatite

Claystone

Starry Night Obsidian

Marl

Dalmatian Jasper

Dalmatian Jasper

Mint Obsidian

Sandstone (Ferruginous) (Arenite (Fe2O3 stained)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe2O3 stained)

Chert Nodules in Limestone (Microcrystalline Quartz (SiO2) in Carbonate Matrix) — sedimentary

Chert Nodules in Limestone

Microcrystalline Quartz (SiO2) in Carbonate Matrix

Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

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

Green Aventurine

SiO2 (Silicon Dioxide) with Fuchsite inclusions

Green Aventurine (Double-Terminated Wand) (Silicon Dioxide (SiO2) containing Fuchsite (Chromium-rich Muscovite Mica)) — mineral

Green Aventurine (Double-Terminated Wand)

Silicon Dioxide (SiO2) containing Fuchsite (Chromium-rich Muscovite Mica)

Possible weathered quartz-rich rock or iron-stained mineral fragment (Indeterminate; possibly quartz (SiO₂) with iron-oxide inclusions) — mineral

Possible weathered quartz-rich rock or iron-stained mineral fragment

Indeterminate; possibly quartz (SiO₂) with iron-oxide inclusions

Weathered quartz-rich rock, possibly milky quartz or quartz-bearing granite (Quartz (SiO₂), potentially with feldspar and iron-oxide staining) — mineral

Weathered quartz-rich rock, possibly milky quartz or quartz-bearing granite

Quartz (SiO₂), potentially with feldspar and iron-oxide staining

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

Tumbled milky quartz (probable)

Quartz, silicon dioxide (SiO₂)

Weathered quartz-rich pebble (Milky quartz, chiefly silicon dioxide (SiO₂), possibly with iron-oxide staining and minor feldspar) — mineral

Weathered quartz-rich pebble

Milky quartz, chiefly silicon dioxide (SiO₂), possibly with iron-oxide staining and minor feldspar

Milky Quartz (with trace inclusions) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (with trace inclusions)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz pebble (SiO2) — mineral

Quartz pebble

SiO2

Jasper with Iron Oxides (Silicon Dioxide (SiO2) with Fe2O3 inclusions) — sedimentary

Jasper with Iron Oxides

Silicon Dioxide (SiO2) with Fe2O3 inclusions

Chert / Chalcedony (Silicon Dioxide (SiO2)) — sedimentary

Chert / Chalcedony

Silicon Dioxide (SiO2)

Multi-Gemstone Quartz Bracelet (Amethyst, Aventurine, Rose Quartz, Clear Quartz) (Silicon Dioxide (SiO2) mixture) — gemstone

Multi-Gemstone Quartz Bracelet (Amethyst, Aventurine, Rose Quartz, Clear Quartz)

Silicon Dioxide (SiO2) mixture

Quartzite with Iron Inclusions (Quartzite (primarily SiO2 with Fe2O3 impurities)) — metamorphic

Quartzite with Iron Inclusions

Quartzite (primarily SiO2 with Fe2O3 impurities)

Quartz Geode with Calcite (Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3)) — mineral

Quartz Geode with Calcite

Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3)

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Quartz-rich translucent pebble, possibly iron-stained quartz or chalcedony (Quartz (SiO₂), potentially microcrystalline quartz (chalcedony)) — mineral

Quartz-rich translucent pebble, possibly iron-stained quartz or chalcedony

Quartz (SiO₂), potentially microcrystalline quartz (chalcedony)

Fluorite (Rainbow/Purple Fluorite) (Calcium Fluoride (CaF2)) — mineral

Fluorite (Rainbow/Purple Fluorite)

Calcium Fluoride (CaF2)

Muscovite (Mica) (Muscovite - KAl2(AlSi3O10)(OH)2) — mineral

Muscovite (Mica)

Muscovite - KAl2(AlSi3O10)(OH)2

Libyan Desert Glass (Libyan Desert Glass (Impactite / High-silica Lechatelierite)) — mineral

Libyan Desert Glass

Libyan Desert Glass (Impactite / High-silica Lechatelierite)

Muscovite Mica (Muscovite - KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica

Muscovite - KAl2(AlSi3O10)(OH)2

Pink Sapphire (Corundum) (Aluminum Oxide (Al2O3) with Chromium/Iron impurities) — gemstone

Pink Sapphire (Corundum)

Aluminum Oxide (Al2O3) with Chromium/Iron impurities

Tumbled yellow chalcedony (likely citrine or yellow jasper) (Microcrystalline quartz, SiO₂; exact identification is uncertain from the photograph) — mineral

Tumbled yellow chalcedony (likely citrine or yellow jasper)

Microcrystalline quartz, SiO₂; exact identification is uncertain from the photograph

Tumbled cream chalcedony or quartz (Microcrystalline quartz, SiO₂; possibly iron-stained chalcedony) — mineral

Tumbled cream chalcedony or quartz

Microcrystalline quartz, SiO₂; possibly iron-stained chalcedony

Yellow chalcedony (likely lemon quartz or citrine) (Cryptocrystalline silica, SiO₂; possible quartz variety) — mineral

Yellow chalcedony (likely lemon quartz or citrine)

Cryptocrystalline silica, SiO₂; possible quartz variety

Milky Quartz / Quartz Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Milky Quartz / Quartz Geode Fragment

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Agate (Plume/Moss variety) (Cryptocrystalline Quartz (SiO2) with iron/manganese inclusions) — mineral

Agate (Plume/Moss variety)

Cryptocrystalline Quartz (SiO2) with iron/manganese inclusions

Citrine (Citrine (Silicon Dioxide - SiO2)) — mineral

Citrine

Citrine (Silicon Dioxide - SiO2)

Quartz (Milky Quartz / Greenish Quartz) (SiO2 (Silicon Dioxide)) — mineral

Quartz (Milky Quartz / Greenish Quartz)

SiO2 (Silicon Dioxide)

Smoky Quartz (Smoky Quartz (Silicon Dioxide - SiO2)) — mineral

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Iron-stained Quartz Pebble (Silicon Dioxide (SiO2) with Hematite/Limonite coatings) — mineral

Iron-stained Quartz Pebble

Silicon Dioxide (SiO2) with Hematite/Limonite coatings

Quartz (Iron-stained) (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Quartz Mineral Specimens (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz Mineral Specimens

Quartz (Silicon Dioxide, SiO2)

Lodolite (Garden Quartz) (Silicon Dioxide (SiO2) with inclusions (Chlorite, Hematite, etc.)) — mineral

Lodolite (Garden Quartz)

Silicon Dioxide (SiO2) with inclusions (Chlorite, Hematite, etc.)

Rose Quartz (Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Quartz (Milky or Cloudy Quartz) (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz (Milky or Cloudy Quartz)

Quartz (Silicon Dioxide, SiO2)