Basalt River Pebble
Basalt
igneous
Category
Mineral Based Alloy (Anthropogenic)
Browse mineral based alloy (anthropogenic) specimens identified by the Rock Identifier community.
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Basalt Pebble
Aphanitic Mafic Igneous Rock
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Basalt Pebble
Extrusive mafic igneous rock; primarily (Ca, Na)(Mg, Fe, Al)Si2O6 and (Ca, Na)AlSi3O8
igneous
Basalt
Basalt
igneous
Basalt
Basalt (Mafic Extrusive)
igneous
Fossiliferous Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Basalt
Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
igneous
Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Bioclasts
sedimentary
Pink Granite
Phaneritic Felsic Igneous Rock (Granite, rich in Potassium Feldspar)
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Basalt
Aphanitic Mafic Igneous Rock
igneous
Diabase (Trap Rock)
Diabase (also known as Dolerite)
igneous
Conglomerate
Conglomerate (Detrital sedimentary rock)
sedimentary
Basalt
Mafic Volcanic Rock (composed mainly of Plagioclase, Pyroxene, and Olivine)
igneous
Basalt
Basalt (Mafic igneous rock)
igneous
Fossiliferous Limestone
Calcite (CaCO3) Rich Bio-sedimentary Rock
sedimentary
Granite
Plutonic Igneous Rock (composed of Quartz, Feldspar, and Mica)
igneous
Basalt River Cobble
Basalt (Mafic volcanic rock)
igneous
Granite (Pink/Red Granite)
Phaneritic Igneous Rock (primarily SiO2, KAlSi3O8, NaAlSi3O8)
igneous
Basalt
Basalt
igneous
Basalt (Water-worn pebble)
Basalt (Mafic Extrusive Rock)
igneous
Basalt
Basalt
igneous
Basalt
Basalt (Mafic Extrusive)
igneous
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Basalt
Basalt
igneous
Basalt
Extrusive Igneous Basalt (contains Plagioclase Feldspar and Pyroxene)
igneous
Chert (Iron-Stained)
Silicon Dioxide (SiO2)
sedimentary
Basalt
Basalt (Aphanitic Igneous Rock)
igneous
Basalt
Extrusive Mafic Igneous Rock
igneous
Basalt
Extrusive Igneous Rock (Mafic)
igneous
Basalt
Aphanitic Mafic Igneous Rock
igneous
Rhyolitic Tuff (Breccia Type)
Rhyolitic Pyroclastic Rock (Mixed Silicates including Quartz, Feldspar, and Volcanic Glass)
igneous
Vesicular Basalt
Mafic Igneous Rock
igneous
Basalt
Aphanitic Mafic Igneous Rock
igneous
Oolitic Chert
Oolitic Microcrystalline Quartz (SiO2)
sedimentary
Basalt
Basalt (Mafic volcanic rock)
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous