Rock Identifier

Category

Synthetic Glass (Often Categorized As A Simulated Mineral)

Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.

Learn about Synthetic Glass (Often Categorized As A Simulated Mineral) in the encyclopedia

Opalite

Sideromelane

Pele's Tears

Porphyritic Obsidian

Porphyritic Obsidian

Anatase

Red Obsidian

Euxenite

Gray Obsidian

Gold Sheen Obsidian

Pink Lady Obsidian

Zircon

Aventurine

Jasper-bearing Quartzite River Cobble (Tectonized Quartzite with Iron-Oxide (Hematite/Limonite) Veining) — metamorphic

Jasper-bearing Quartzite River Cobble

Tectonized Quartzite with Iron-Oxide (Hematite/Limonite) Veining

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Fluorite (often referred to as Rainbow Fluorite) (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite (often referred to as Rainbow Fluorite)

Fluorite (Calcium Fluoride, CaF2)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon dioxide (SiO2)) — mineral

Quartz Pebble

Silicon dioxide (SiO2)

Pink Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Pink Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Chert (potentially Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (potentially Jasper)

Microcrystalline Quartz (SiO2)

Quartz Pebble (Silicon dioxide (SiO2)) — mineral

Quartz Pebble

Silicon dioxide (SiO2)

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

Bull Quartz

Quartz (Silicon Dioxide - SiO2)

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Botryoidal Chalcedony Geode (Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz) — mineral

Botryoidal Chalcedony Geode

Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz

Quartz (Peach/Pink Variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Peach/Pink Variety)

Silicon Dioxide (SiO2)

Aquamarine (Tumbled) (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine (Tumbled)

Beryl (Be3Al2Si6O18)

River Stone (likely Mudstone or Siltstone) (Lutite (Clastic sedimentary rock composed of clay and silt-sized particles)) — sedimentary

River Stone (likely Mudstone or Siltstone)

Lutite (Clastic sedimentary rock composed of clay and silt-sized particles)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Quartz Vein) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (Quartz Vein)

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Rough Quartz Crystal in Matrix (Silicon Dioxide (SiO2)) — mineral

Rough Quartz Crystal in Matrix

Silicon Dioxide (SiO2)

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

Quartz Geode with Calcite

Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3)

Clear Quartz Crystal on Matrix (SiO2 (Silicon Dioxide)) — mineral

Clear Quartz Crystal on Matrix

SiO2 (Silicon Dioxide)

Milky Quartz (Crystalline Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz (Translucent/Rose variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Translucent/Rose variety)

Silicon Dioxide (SiO2)

Quartz (Quartzite Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Quartzite Pebble)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Green Aventurine

SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)

Green Quartz (Aventurine) (Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)) — mineral

Green Quartz (Aventurine)

Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Fluorite (Rainbow/Purple Fluorite)

Calcium Fluoride (CaF2)

Sandstone (Weathered Pebble) (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone (Weathered Pebble)

Sedimentary Rock (Quartz arenite)

White Topaz (Al2SiO4(F,OH)2) — mineral

White Topaz

Al2SiO4(F,OH)2

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Epidotite (Unakite-related Epidote) (Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))) — metamorphic

Epidotite (Unakite-related Epidote)

Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))

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

Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz Pebble (Crystalline Silica (SiO2)) — sedimentary

Quartz Pebble

Crystalline Silica (SiO2)

Red Sandstone (Arenite (primarily Quartz with Hematite cement)) — sedimentary

Red Sandstone

Arenite (primarily Quartz with Hematite cement)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Muscovite (White Mica) (Muscovite - Potassium aluminum silicate: KAl2(AlSi3O10)(F,OH)2) — Mineral

Muscovite (White Mica)

Muscovite - Potassium aluminum silicate: KAl2(AlSi3O10)(F,OH)2

Fluorite (Fluor-spar) (Calcium Fluoride (CaF2)) — mineral

Fluorite (Fluor-spar)

Calcium Fluoride (CaF2)

Blue Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Blue Calcite

Calcite (Calcium Carbonate, CaCO3)

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

Chert / Flint

Silicon Dioxide (SiO2)