Yellow Ochre / Limonite
Limonite (FeO(OH)·nH2O)
Mineral
Category
Not A Rock (Synthetic Material)
Browse not a rock (synthetic material) specimens identified by the Rock Identifier community.
Learn about Not A Rock (Synthetic Material) in the encyclopedia
View all →
Ocean Jasper
Orbicular Jasper (Silicon Dioxide with impurities), SiO2
mineral
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Shale or Argillite
Shale (sedimentary) / Argillite (metamorphic)
Sedimentary or Metamorphic (low-grade)
Shale
Argillaceous Sedimentary Rock
sedimentary
Sandstone (Quartz-rich)
Arenite
sedimentary
Basalt
Basalt (Extrusive Mafic Igneous)
igneous
Chert (Jasper/Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Basalt
Basalt (Aphanitic Mafic Volcanic Rock)
igneous
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Basalt (Vesicular/Scoria)
Vesicular Basalt
igneous
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Basalt (River Stone)
Extrusive mafic igneous rock
igneous
Basalt (River Cobble)
Mafic Igneous Rock (Basalt)
igneous
Basalt (River Pebble)
Basalt
igneous
Limestone
Sedimentary Rock (Primarily CaCO3)
sedimentary
Quartzite
Metamorphic Quartz Rock (SiO2)
metamorphic
Limestone
Sedimentary Rock (Primarily CaCO3)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Conglomerate
Conglomerate (Sedimentary Clastic Rock)
sedimentary
White Marble
Recrystallized Calcite Rock (CaCO3)
metamorphic
Diorite
Phaneritic Intermediate Igneous Rock
igneous
Diorite
Phaneritic intermediate plutonic rock
igneous
Conglomerate
Conglomerate (Clastic sedimentary rock)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Conglomerate
Clastic sedimentary rock (Conglomerate)
sedimentary
Gneissic Schist
Gneiss-schist (Metamorphic rock)
metamorphic
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone (likely weathered)
Limestone (Mainly Calcium Carbonate, CaCO3)
sedimentary
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Septarian Nodule (Galt)
Calcareous concretion / Septarian concretion
sedimentary
Asphalt (Bituminous Slate/Sandstone)
Asphaltum / Bituminous Rock
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
River Cobble (Quartzite or Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (quartz arenite)
sedimentary
Granite Pebble
Granite (Phaneritic intrusive igneous rock)
igneous
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Quartz in Matrix (possibly Basalt or Siltstone host)
Silicon Dioxide (SiO2) in Host Rock
mineral