Granite
Intrusive Igneous Rock
Category
Browse synthetic (not a rock or mineral) specimens identified by the Rock Identifier community.
Granite
Intrusive Igneous Rock
Granite
Intrusive Igneous Rock
Granite
Felsic intrusive igneous rock
Granite
Felsic intrusive igneous rock
Granite
Intrusive Igneous Rock
Granite
Intrusive Igneous Rock (composed primarily of quartz, alkali feldspar, and plagioclase)
Granite Pebble
Intrusive Igneous Rock
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (Fe-oxide enriched)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Dalmatian Stone
Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)
Sandstone (likely Arkosic)
Arenite (SiO2 based)
Chert with Calcite Veins
Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) intrusions
Sandstone (likely Arkose or Lithic)
Clastic sedimentary rock (SiO2 + impurities)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Shale
Shale (Lutite)
Granite
Felsic intrusive igneous rock
Sandstone
Clastic Sedimentary Rock
Sandstone
Arenite (Sedimentary rock)
Red Sandstone
Arenite with Iron Oxide (Hematite) cement
Agate Geode
Silicon Dioxide (SiO2) - Chalcedony / Quartz Variety
Fossilized Bone
Petrified Bone / Biogenic Sedimentary
Boxwork Siderite or Sepatarian Nodule Weathering
Siderite (FeCO3) with secondary mineralization or Boxwork Geode fragment
Bivalve Seashell Fossil
Class Bivalvia
Sandstone (likely Graywacke or Lithic Sandstone)
Clastic Sedimentary Rock
Amygdaloidal Basalt
Extrusive Igneous Rock with Amygdules
Pink Granite
Granite (composed primarily of potassium feldspar, quartz, plagioclase feldspar, and biotite/amphibole)
Chakra Stone Bracelet
Mixed Mineral Assembly (Scoria, Amethyst, Lapis Lazuli, Turquoise/Howlite, Impression Jasper, Tiger's Eye, Carnelian, Red Jasper)
Green Glass Cullet / Recycled Glass
Amorphous Silicon Dioxide (SiO2) with various metal oxides
Granite
Granite (felsic intrusive igneous rock)
Dalmatian Stone
Peralkaline Feldsphathic Igneous Rock
Quartz Geode
Silicon Dioxide (SiO2)
Quartz-rich metamorphic rock, likely mica schist
Mica schist; chiefly quartz (SiO₂) with biotite/muscovite mica and possible feldspar
Chalcedony (Agate)
Silicon Dioxide (SiO2)
White Topaz
Aluminum Silicate Fluoride Hydroxide; Al2SiO4(F,OH)2
Granite
Intrusive Igneous Rock (composed mainly of quartz, alkali feldspar, and plagioclase)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Granite
Intrusive Igneous Rock
Sandstone
Arenite (predominantly SiO2)
Sandstone (Tafoni Weathered)
Arenite (part of the Sandstone family)
Sandstone (with Chert/Quartzite nodules)
Clastic sedimentary rock (primarily SiO2)
Quartz
Silicon Dioxide (SiO2)