Rock Identifier

Category

Mixed (Predominantly Sedimentary And Igneous)

Browse mixed (predominantly sedimentary and igneous) specimens identified by the Rock Identifier community.

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Diorite (River Cobble) (Intermediate plutonic igneous rock) — igneous

Diorite (River Cobble)

Intermediate plutonic igneous rock

Granite (Intrusive igneous rock (Acidic)) — igneous

Granite

Intrusive igneous rock (Acidic)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Diorite (Intermediate plutonic igneous rock) — igneous

Diorite

Intermediate plutonic igneous rock

Diorite (River Rock) (Intermediate plutonic igneous rock) — igneous

Diorite (River Rock)

Intermediate plutonic igneous rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Scoria (Red Lava Rock) (Scoria (Extrusive Igneous Rock)) — Igneous

Scoria (Red Lava Rock)

Scoria (Extrusive Igneous Rock)

Granite Cobble (Granite (Phaneritic Igneous Rock)) — igneous

Granite Cobble

Granite (Phaneritic Igneous Rock)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (with Quartz and Mica) (Phaneritic Felsic Igneous Rock) — igneous

Granite (with Quartz and Mica)

Phaneritic Felsic Igneous Rock

Granite Pebble (River Rock) (Phaneritic Felsic Igneous Rock) — igneous

Granite Pebble (River Rock)

Phaneritic Felsic Igneous Rock

Basalt Pebble (Extrusive Mafic Igneous Rock) — igneous

Basalt Pebble

Extrusive Mafic Igneous Rock

Granite (Phaneritic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Igneous Rock (Granite)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Basalt (River Stone) (Aphanitic Mafic Igneous Rock) — igneous

Basalt (River Stone)

Aphanitic Mafic Igneous Rock

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite Cobble (Phaneritic Felsic Igneous Rock) — igneous

Granite Cobble

Phaneritic Felsic Igneous Rock

Sandstone (Ferruginous) (Sandstone (primarily SiO2 with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Sandstone (primarily SiO2 with Iron Oxide cement)

Septarian Nodule (Septarian Dragon Stone) (Septarian Concretion (Composition: Calcite, Aragonite, and Limestone/Clay)) — sedimentary

Septarian Nodule (Septarian Dragon Stone)

Septarian Concretion (Composition: Calcite, Aragonite, and Limestone/Clay)

Conglomerate (Red Sandstone variety) (Clastic Sedimentary Rock (Conglomeratic Sandstone)) — sedimentary

Conglomerate (Red Sandstone variety)

Clastic Sedimentary Rock (Conglomeratic Sandstone)

Garnet Beads (Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)) — Mineral

Garnet Beads

Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)

Quartz (variety of colors) (SiO2 (Silicon Dioxide)) — Mineral

Quartz (variety of colors)

SiO2 (Silicon Dioxide)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Chert (Chert (variant of microcrystalline quartz)) — Sedimentary

Chert

Chert (variant of microcrystalline quartz)

Granite (Granite) — igneous

Granite

Granite

Orange Calcite (likely polished specimen) (Calcite) — Mineral

Orange Calcite (likely polished specimen)

Calcite

Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Felsic Igneous Rock (Granite)

Carnelian (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Smoky Quartz in Matrix (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz in Matrix

Silicon Dioxide (SiO2)

Clear Quartz Point (Silicon Dioxide (SiO2)) — mineral

Clear Quartz Point

Silicon Dioxide (SiO2)

Olivine (Peridot) (Magnesium Iron Silicate (Mg, Fe)2SiO4) — mineral

Olivine (Peridot)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Citrine (Silicon Dioxide (SiO2)) — mineral

Citrine

Silicon Dioxide (SiO2)