Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Category
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Feldspar Rich Granite with Limonite Staining
K-Feldspar Granite (KAlSi3O8)
Sandstone (Red Arkose)
Sandstone (Arkose variant, primarily SiO2 with KAlSi3O8)
Feldspar (specifically Orthoclase)
Potassium Aluminum Silicate (KAlSi3O8)
Red Sandstone
Arenite (predominantly SiO2 with Fe2O3)
Orpiment
Orpiment (As2S3)
Sandstone (Weathered Pebble)
Arenite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Bull Quartz (Milky Quartz)
Quartz (Silicon Dioxide - SiO2)
Limestone
Calcium Carbonate (CaCO3)
Celestine (or Celestite)
Strontium sulfate (SrSO4)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartzite
Quartzite (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (SiO2 with Fe2O3/FeOOH cement)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (likely Quartzose)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone
Arenite (SiO2 with Fe2O3)
Coarse Sand Grain / Lithic Fragment
Clastic Sediment (Lithic fragment or Quartz/Feldspar grain)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Quartzose type)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2 with various cementing agents)
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS)
Sandstone (Ferruginous)
Arenite (with Goethite/Limonite cement)
Sandstone
Arenite (composed primarily of Quartz: SiO2)
Quartzite
Quartzite (SiO2 principal component)
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
Quartzite Pebble
Quartzite (SiO2)
Chert (Nodular)
Cryptocrystalline Quartz (SiO2)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)