Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and clay inclusions
Category
Browse man made rock (technosol) specimens identified by the Rock Identifier community.
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and clay inclusions
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Arkosic or Quartzose)
Arenite (SiO2 based with mineral inclusions)
Labradorite
(Ca, Na)(Al, Si)4O8
Amphibolite with Hornblende
Amphibole-rich Metamorphic Rock (Ca2(Mg,Fe)5Si8O22(OH)2)
River Rock (likely Quartzite or Chert)
Quartzite (primarily SiO2)
Quartzite Pebbles
Meta-quartzite (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Quartz Sandstone)
Arenite (primarily SiO2)
Rough Emerald in Matrix
Beryl (Be3Al2Si6O18) with trace Chromium/Vanadium
Quartz Geode
Silicon Dioxide (SiO2)
Limestone
Calcite (CaCO3)
Limestone (Fossiliferous)
Calcium Carbonate (CaCO3) - Bioclastic Limestone
Sandstone
Arenite
Basalt
Basalt
Basalt
Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)
Vesicular Basalt with Quartz
Vesicular Basalt (SiO2 inclusions)
Basalt (Vesicular or Porphyritic)
Basalt (composed primarily of plagioclase feldspar, pyroxene, and olivine)
Granite
Granite (Felsic intrusive igneous rock)
Basalt
Basalt
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Crushed Stone (Likely Granite or Diabase)
Intrusive Igneous Rock (Granitoid/Gabbroid)
Vesicular Basalt (Scoria)
Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
Serpentine
Serpentine Group (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Basalt (River Stone)
Basalt (Mafic Extrusive Igneous Rock)
Basalt with Epidote (Porphyry)
Basalt (with inclusions of Epidote/Feldspar)
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
Basalt
Basalt (SiO2 percentage between 45% and 52%)
Turquoise in Matrix
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Sandstone (likely Arkosic)
Clastic Sedimentary Rock (Sandstone)
Granite
Granite
Serpentine
Antigorite/Lizardite (Mg,Fe)3Si2O5(OH)4
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Basalt with Porphyritic Texture
Porphyritic Basalt
Granite
Granite (Felsic Intrusive Igneous Rock)
Vesicular Basalt
Amygdaloidal Basalt (Mafic extrusive volcanic rock)
Basalt with Iron Oxidation
Extrusive Mafic Igneous Rock (composed of Plagioclase and Pyroxene)
Granodiorite
Granodiorite (Phaneritic intrusive igneous rock containing Plagioclase, Quartz, and Biotite/Amphibole)
Quartzite Pebble
Metamorphic Quartz (SiO2)
Vesicular Basalt
Basalt
Basalt River Stone
Basalt
Basalt
Basalt (Aphanitic Mafic Igneous Rock)