Asphalt (Bituminous Concrete)
Bituminous Concrete / Pavement
man-made (synthetic rock)
Category
Mineral (Treated)
Browse mineral (treated) specimens identified by the Rock Identifier community.
Granite
Granite
igneous
River Stone (likely Siltstone or fine-grained Sandstone)
Clastic Sedimentary Rock (Lithic Wacke / Siltstone)
sedimentary
Jasper (Milky/Cream Variety)
Silicon Dioxide (SiO2) - variety of Chalcedony
sedimentary (chemical/biological)
Vesicular Basalt with Amygdules
Amygdaloidal Basalt
igneous
Crushed Stone (Gravel/Aggregates)
Crushed rock aggregate (varied composition including Granite, Limestone, and Quartz)
sedimentary and igneous (mixed)
Granite (Pegmatitic)
Phaneritic Felsic Igneous Rock
igneous
Mica Schist
Mica Schist (predominantly Muscovite or Biotite)
metamorphic
Basalt
Basalt (composition of plagioclase feldspar and pyroxene)
igneous
Basalt
Mafic Extrusive Igneous Rock
Igneous
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Granite Pebble (Salt and Pepper Granite)
Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Biotite/Amphibole)
igneous
Vesicular Basalt
Basalt with secondary mineral infilling (Amygdaloidal Basalt)
igneous
Chert (Septarian Concretion/Nodule)
Microcrystalline silica (SiO2) with carbonate mineral veining
sedimentary
Vesicular Basalt (or Scoria)
Vesicular Basalt (Aphanitic-vesicular volcanic rock)
igneous
Sulfur (on Matrix)
Native Sulfur (S8)
mineral
Schist
Mica Schist
metamorphic
Green Aventurine and Clear Quartz
Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)
Mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chrysocolla and Azurite on Matrix
Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4 (Chrysocolla) and Copper carbonate hydroxide Cu3(CO3)2(OH)2 (Azurite)
mineral
Iron-stained Quartz
Silicon Dioxide with Iron Oxide (SiO2 with Limonite/Hematite impurities)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Diamond
Diamond (pure Carbon, C)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Raw Diamond
Diamond (C)
mineral
Diamond (Round Brilliant Cut)
Diamond (Pure Carbon, C)
mineral
Malachite
Copper(II) carbonate hydroxide, Cu2CO3(OH)2
mineral
Greenstone / Greenstone Pebble
Greenschist (metamorphosed basalt or gabbro)
metamorphic
Fursuit (Synthetic Fur Specimen)
Canis anthropomorphus syntheticus
Anthropomorphic Textile Construct
Greenstone
Metabasalt / Chlorite-Epidote Schist
metamorphic
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Granite
Granite (primarily Quartz, Feldspar, and Mica)
igneous
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Feldspar, and Mica)
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Granite
Granite
igneous
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mineral (variety of Quartz)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)
metamorphic
Serpentinite (Serpentine Rock)
Primarily composed of serpentine group minerals, such as antigorite, chrysotile, and lizardite. Chemical formula for serpentine minerals is (Mg,Fe)3Si2O5(OH)4.
Metamorphic
Sandstone
Arenite (primarily SiO2)
sedimentary
Diamond
Diamond (pure carbon C)
mineral
Rough Diamond
Carbon (C)
mineral
Pink Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral