Blue Quartzite
Quartzite (primarily SiO2) with inclusions like Dumortierite or Crocidolite
Category
Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.
Blue Quartzite
Quartzite (primarily SiO2) with inclusions like Dumortierite or Crocidolite
Sandstone with Quarzite clasts
Arenite (SiO2 based)
Banded Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Quartzite
Quartzite (primarily SiO2)
Banded Agate
Agate (Cryptocrystalline variety of Silica, SiO2)
Rose Quartz
Silicon dioxide (SiO2) with trace titanium, manganese, or iron
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Smoky Quartz (SiO2)
Pyrite
Iron Sulfide (FeS2)
Jasper with Agate and Quartz Inclusions
Silicon Dioxide (SiO2) - Chalcedony / Quartz aggregate
Milky Quartz with Dendritic Inclusions
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst and Citrine (Quartz variants)
Silicon Dioxide (SiO2)
Smoky Quartz and Biotite Schist
Quartz-Biotite Schist (SiO2 + K(Mg,Fe)3AlSi3O10(F,OH)2)
Chert (with Quartz vein)
Chert (Silicon Dioxide, SiO2)
Chert (and Limestone)
Chert (consisting of Microcrystalline Quartz, SiO2)
Jasper with Hematite inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
Aventurine (likely Green Aventurine)
Quartz (SiO2) with included minerals (Fuchsite or Chlorite for green color)
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Obsidian
Obsidian (Volcanic Glass)
Mica (Muscovite)
Muscovite, KAl2(AlSi3O10)(OH)2
Yellow Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Amber
Succinite (fossilized resin)
Yellow Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Rough Citrine Quartz
Citrine (Silicon Dioxide, SiO2 with iron impurities)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Orange Quartzite (or Iron-Stained Quartz)
Silicon Dioxide (SiO2) with Iron Oxide impurities (Fe2O3)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Jasper
Jasper (Silicon Dioxide, SiO2)
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Tektite (Indochinite)
Tektite (Silica-rich natural glass)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Jasper
Silicon Dioxide (SiO2) with impurities