Rough Quartz (Smoky or Citrine variant)
Silicon Dioxide (SiO2)
Category
Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.
Rough Quartz (Smoky or Citrine variant)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide with iron impurities (SiO2)
Green Fluorite
Calcium fluoride (CaF2)
Pink Quartz (Inclusion-filled)
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 primarily)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble (Iron-Stained)
Crystalline Silicon Dioxide (SiO2)
Quartz (Gray or Smoky variety)
Silicon Dioxide (SiO2)
Quartz with Arsenopyrite
Silicon Dioxide (SiO2) with Iron Arsenic Sulfide (FeAsS)
Fulgurite
Lechatelierite (Silica glass tube)
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
Milk Quartz (Snow Quartz)
Silicon Dioxide (SiO2)
Corundum (Ruby Variety)
Corundum (Al2O3)
Sandstone Cobble
Arenite (primarily SiO2)
Quartz (Gravel Pebble)
Silicon Dioxide (SiO2)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Chert with Quartz Veining
Microcrystalline Silica (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Fulgurite
Lechatelierite (Silica glass tubes)
Sandstone (with Limonite/Iron Staining)
Arenite (SiO2 based) with FeO(OH) staining
Quartzite (Iron-stained)
Quartzite (SiO2 with Fe2O3 staining)
Quartz Pebble (with probable inclusions or staining)
Quartz (Silicon Dioxide - SiO2)
Agate (Plume/Moss variety)
Cryptocrystalline Quartz (SiO2) with iron/manganese inclusions
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (SiO2 with Fe2O3/FeO oxides)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Agate / Jasper pebble)
Microcrystalline Quartz (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Snowflake Obsidian
Volcanic glass containing Spherulites (SiO2)
Pyrite
Iron Sulfide (FeS2)
Sandstone
Arenite (SiO2 based)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2) with Fe2O3