Schist
Crystalline Metamorphic Rock (Schistose)
metamorphic
Category
Mineral Side Rock
Browse mineral side rock specimens identified by the Rock Identifier community.
Learn about Mineral Side Rock in the encyclopedia
View all →
Diorite
Phaneritic intermediate plutonic rock (Diorite)
igneous
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Clear Quartz Cluster
Quartz (Silicon Dioxide, SiO2)
mineral
Druzy Quartz Geode (Vug)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble (Water-worn Quartzite)
Silicon Dioxide (SiO2)
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Bauxite
Bauxite (mixture of Hydrous Aluminum Oxides)
sedimentary
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Lapis Lazuli
Lazurite-dominant Metamorphic Rock (complex aluminosilicate)
metamorphic
Lapis Lazuli
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
metamorphic
Agatized Petrified Wood
Silicon Dioxide (SiO2) - Chalcedony pseudomorph after Wood
metamorphic
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Concrete
Anthropogenic Conglomerate
sedimentary
Synthetic Wolf Plush (Non-mineral)
Canis lupus similis (Prop material: Polyester & Synthetic fibers)
Synthetic material/Textile
Druzy Quartz on Sandstone
Silicon Dioxide (SiO2) on Sedimentary Host Rock
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Sandstone (Pet Rock)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (Weathered)
Arenite (primarily SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2) in Host Rock
sedimentary
Granite Pebble
Granite (Phaneritic intrusive igneous rock)
igneous
Quartz pebble
Silicon Dioxide (SiO2)
mineral
Sandstone (with concrete/human-made layer)
Clastic Sedimentary Rock (primarily Quartz/Feldspar grains)
sedimentary
Gold
Native Gold (Au)
Mineral
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
metamorphic
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Fluorite Geode
Calcium Fluoride (CaF2)
mineral
Sandstone (with Possible Iron Staining/Crust)
Arenite (SiO2 based)
sedimentary
Sandstone (likely Quartzose)
Arenite (primarily SiO2)
sedimentary
Basalt Pebble
Basalt (Mafic Igneous Rock)
igneous
Olivine in Basalt (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4 (Mineral) / Scoriaceous Basalt (Host Rock)
igneous
Agate
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Pyrite (on host rock)
Iron Sulfide (FeS2)
mineral
Sandstone
Arenite (primarily composed of SiO2 - Silicon Dioxide)
sedimentary
Hematite
Iron(III) oxide (Fe2O3)
mineral
River Stone (Granitic Gneiss)
Foliated Granitic Gneiss
metamorphic
Hypersthene
Hypersthene (formula: (Mg,Fe)SiO3)
mineral
Pink Granite
Phaneritic Felsic Igneous Rock
igneous
Granatic Pegmatite
Pegmatitic Granite
igneous
Jasper
Chalcedony (Microcrystalline Quartz) - SiO2
sedimentary or metamorphic
Sandstone (Red Sandstone)
Arenite (SiO2 based with Fe2O3 staining)
sedimentary
Bicolor Quartz Pebble
Silicon Dioxide (SiO2) with mineral inclusions
mineral