Serpentine (Nephrite-like River Cobble)
Serpentinite (Hydrous Magnesium Iron Silicate)
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Serpentine (Nephrite-like River Cobble)
Serpentinite (Hydrous Magnesium Iron Silicate)
Bumblebee Jasper
Calcite-bearing Volcanic Tuff containing Orpiment (As2S3) and Realgar (As4S4)
Quartzite with inclusions
Quartzite (SiO2)
Banded Slag Glass (Leland Blue/Frankfort Green style)
Anthropogenic Glass Specimen (Amorphous Silicon Dioxide with impurities)
Limestone (specifically Dolomitic Limestone)
Calcium Magnesium Carbonate (CaMg(CO3)2)
Dalmatian Jasper
Peralkaline Quartz Feldspar Porphyry
Quartzite
Metamorphic Quartz (SiO2)
Quartzite
Quartzite (SiO2)
Dalmatian Jasper
Dalmatian Stone (a porphyritic peralkaline igneous rock)
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Feldspar Rock
Dalmatian Jasper (Dalmatian Stone)
Perthitic feldspar with Arfvedsonite inclusions
Tufa
Calcareous Tufa (CaCO3)
Quartzite
Quartzite (primarily SiO2)
Desert Rose
Gypsum (variety Selenite) or Barite, CaSO4·2H2O
Quartzite
Quartzite (SiO2)
Painted River Pebble (likely Basalt or Greywacke)
Aphanitic Lithic Clast with Anthropogenic Pigment coating
Quartzite pebble
Quartzite (SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Gneiss
Gneiss (High-grade metamorphic rock)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Limestone
Calcium Carbonate (CaCO3)
Fuchsite in Quartz
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Serpentinite
Serpentinite (composed largely of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile: Mg3Si2O5(OH)4)
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)
Graywacke (River Cobble)
Graywacke (Lithic Sandstone)
Hematite (likely Botryoidal or Specularite variant)
Iron(III) oxide (Fe2O3)
Peridotite
Peridotite (Ultramafic Rock)
Jasper
Silicon Dioxide (SiO2)
Granite
Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Granite
Phaneritic Felsic Igneous Rock
Blue Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Lapis Lazuli
Lapis Lazuli (Rock containing Lazurite, Na8[AlSi O4]6[S,Cl,SO4,OH]2)
Sunstone
Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8
Gneiss
Gneiss (High-grade metamorphic rock)
Anthracite Coal
Anthracite (Carbon-rich metamorphic rock)