Blue Kyanite
Kyanite (Al2SiO5)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Blue Kyanite
Kyanite (Al2SiO5)
Pyrite
Iron Sulfide (FeS2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Pyrite (on host rock)
Iron Sulfide (FeS2)
Flower Agate
Chalcedony with Opaque Spherulitic Inclusions (SiO2)
Quartz (Milky or Iron-Stained)
Silicon Dioxide (SiO2)
Clear Quartz Cluster
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Selenite
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Rough Quartz (with Feldspar inclusions)
Silicon Dioxide (SiO2)
Quartz Pebble (Citrine-colored or Stained Quartz)
Silicon Dioxide (SiO2)
Cloudy Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Quartz Pebble (Sea Glass-like texture)
Silicon Dioxide (SiO2)
Milky Quartz (Tumbled)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Satin Spar Selenite
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
Ferruginous Quartz
Quartz (Silicon Dioxide) with Iron Inclusion (SiO2 + Fe2O3)
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Quartz Sandstone)
Arenite (primarily SiO2)
Red Sandstone
Clastic Sedimentary Mineraloid (predominantly Quartz grains with Iron Oxide cement)
Zebra Jasper
Tumbled Opaque Chalcedony (SiO2)
Schist
Mica Schist (Medium-grade metamorphic rock)
Petrified Wood
Silicified Wood (SiO2 - Silicon Dioxide)
Moss Agate
Silicon Dioxide with inclusions (SiO2 + impurities)
Citrine Quartz
Silicon Dioxide (SiO2)
Dendritic Opal (Common Opal)
Amorphous Hydrated Silica (SiO2·nH2O) with Manganese or Iron Oxide inclusions
Diamond
Diamond (Carbon, C)
Peridot (likely, given the color and bead form)
Olivine, variety Peridot (Mg,Fe)2SiO4
Build-A-Bear Plush (Non-Geological)
Polyester fibers (C10H8O4)n and Synthetic Polymers
Jasper-Agate Breccia
Silicon Dioxide (SiO2) with iron oxide inclusions
Sandstone with Quartz Veins
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone with Secondary Mineral Encrustation
Arenite with Silica/Calcite deposits (SiO2 or CaCO3)
Fluorite-Gedrite in Quartz (Schist)
Fluorite (CaF2) with Gedrite in Quartz/Feldspar Matrix
Amethyst
Amethyst (Silicon Dioxide, SiO2 + Fe)
Massive Quartz with Host Rock
Silicon Dioxide (SiO2)
Diamond
Diamond (C)