Bumblebee Jasper
Carbonate-rich volcanic rock containing Sulfur and Arsenic (Realgar/Orpiment)
Category
Browse mineral or sedimentary rock (with mineral inclusions) specimens identified by the Rock Identifier community.
Bumblebee Jasper
Carbonate-rich volcanic rock containing Sulfur and Arsenic (Realgar/Orpiment)
Ferruginous Quartz
Quartz with Iron Oxide inclusions (SiO2 + Fe2O3)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
Sandstone with Iron Staining
Arenite (SiO2 based with Fe2O3 staining)
Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
Red jasper (iron-rich chalcedony), possibly brecciated
Jasper: microcrystalline quartz, SiO₂, colored mainly by iron oxides/hydroxides
Sandstone Pebble
Arenite (primarily Quartz, SiO2)
Quartz (Milky Quartz)
Quartz (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2)
Conglomerate
Conglomerate (Clastic sedimentary rock)
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
River Stone (Sandstone with Oxide Banding)
Arenite with Iron/Manganese Oxide inclusions
Quartz (Milk Quartz / Massive Quartz)
Silicon Dioxide (SiO2)
Dalmatian Stone (often misnamed Dalmatian Jasper)
Aplite (with hornblende/arfvedsonite inclusions)
Dendritic Agate
Dendritic Agate (Silicon Dioxide with Manganese or Iron Oxide inclusions, SiO2)
Red Jasper (or Banded Jasper)
Silicon Dioxide (SiO2 with Hematite impurities)
Mica Schist
Mica Schist (primarily Muscovite and Biotite composition)
Red Sandstone
Arenite (Ferruginous Sandstone)
Garnet Gneiss or Mica Schist with Garnet
Almandine Garnet-bearing Gneiss
Sandstone
Arenite (variable SiO2 composition)
Sandstone (Red)
Arenite (primarily SiO2 with Fe2O3)
Fancy Jasper (Agate/Chert mix)
Silicon Dioxide (SiO2) with various inclusions
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Tumbled brecciated jasper
Silica-rich microcrystalline quartz/chalcedony (SiO₂), with iron-oxide and other mineral inclusions
Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO2)
Ferruginous Quartz
Quartz (Silicon Dioxide, SiO2) with Iron Oxide Inclusions
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium) CuAl6(PO4)4(OH)8·4H2O
Pyritic Gneiss
Metamorphic Gneiss with Pyrite inclusions
Conglomerate
Conglomerate (clastic sedimentary rock)
Chalcedony (Grey/White Agate)
Silicon Dioxide (SiO₂)
Sandstone (Quartzite-leaning)
Arenite (primarily SiO2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Jasper with Quartz inclusions
Silicon Dioxide (SiO2)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Sandstone (Weathered Cobble)
Clastic Sedimentary Rock (primarily SiO2)
Quartz (Milky/Vein Quartz)
Silicon Dioxide (SiO2)
Quartz (Herkimer Diamond variant)
Silicon Dioxide (SiO2)
Sandstone (River Cobble)
Clastic sedimentary rock (primarily SiO2 with various lithic fragments)
Quartz (in a rock matrix)
Quartz (SiO2)
Sandstone (with banding/weathering)
Clastic Sedimentary Rock (primarily SiO2)