Rock Identifier

Category

Sedimentary And Igneous (Mixed)

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

Rhyolite (Rhyolite (High-silica volcanic rock)) — igneous

Rhyolite

Rhyolite (High-silica volcanic rock)

Obsidian (Volcanic Glass (70% or more SiO2)) — igneous

Obsidian

Volcanic Glass (70% or more SiO2)

Pumice (Pumice (Amorphous volcanic glass)) — igneous

Pumice

Pumice (Amorphous volcanic glass)

Basalt with Epidote (Flowerstone-like texture) (Amygdaloidal Basalt (silicate mineral inclusions)) — igneous

Basalt with Epidote (Flowerstone-like texture)

Amygdaloidal Basalt (silicate mineral inclusions)

Pegmatite (Granitic) (Granitic Pegmatite containing Quartz, Feldspar, and Tourmaline (Schorl)) — igneous

Pegmatite (Granitic)

Granitic Pegmatite containing Quartz, Feldspar, and Tourmaline (Schorl)

Pumice (Pumicite (Amorphous volcanic glass)) — Igneous

Pumice

Pumicite (Amorphous volcanic glass)

Obsidian (Amorphous volcanic glass (primarily SiO2)) — igneous

Obsidian

Amorphous volcanic glass (primarily SiO2)

Granite (Phaneritic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Igneous Rock (Granite)

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

Rhyolite Pebble (Rhyolite) — igneous

Rhyolite Pebble

Rhyolite

Wonderstone (Banded Rhyolite (SiO2 with impurities)) — igneous

Wonderstone

Banded Rhyolite (SiO2 with impurities)

Granite Pebble (Felsic Intrusive Igneous Rock (composed of Quartz, Feldspar, and Mica)) — igneous

Granite Pebble

Felsic Intrusive Igneous Rock (composed of Quartz, Feldspar, and Mica)

Diorite (weathered) (Intermediate plutonic igneous rock) — igneous

Diorite (weathered)

Intermediate plutonic igneous rock

Vesicular Basalt with Quartz (Vesicular Basalt (SiO2 inclusions)) — igneous

Vesicular Basalt with Quartz

Vesicular Basalt (SiO2 inclusions)

Gabbro (Plutonic mafic rock) — igneous

Gabbro

Plutonic mafic rock

Diorite (Diorite (Intermediate plutonic rock)) — igneous

Diorite

Diorite (Intermediate plutonic rock)

Black Obsidian (Volcanic Glass (SiO2)) — igneous

Black Obsidian

Volcanic Glass (SiO2)

Obsidian (Obsidian (Amorphous volcanic glass, predominantly SiO2)) — igneous

Obsidian

Obsidian (Amorphous volcanic glass, predominantly SiO2)

Granite Cobble (Granite (Phaneritic Quartz-Feldspar-Mica intrusive rock)) — igneous

Granite Cobble

Granite (Phaneritic Quartz-Feldspar-Mica intrusive rock)

Basalt (Vesicular) (Basalt (mostly plagioclase, pyroxene, and olivine)) — igneous

Basalt (Vesicular)

Basalt (mostly plagioclase, pyroxene, and olivine)

Porphyritic Basalt (Amygdaloidal Porphyritic Basalt) — igneous

Porphyritic Basalt

Amygdaloidal Porphyritic Basalt

Granite (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite

Granite (Phaneritic intrusive igneous rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Que Sera Stone (Llanite) (Rhyolite containing blue quartz and feldspar) — igneous

Que Sera Stone (Llanite)

Rhyolite containing blue quartz and feldspar

Granite (Phaneritic Igneous Rock) (Granite) — igneous

Granite (Phaneritic Igneous Rock)

Granite

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

Granite River Pebble

Phaneritic Felsic Igneous Rock (Granite)

Pumice (Pumice (a highly vesicular volcanic glass)) — igneous

Pumice

Pumice (a highly vesicular volcanic glass)

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

Vesicular Basalt (or Scoria) (Vesicular Basalt) — igneous

Vesicular Basalt (or Scoria)

Vesicular Basalt

Pumice (Pumice (a highly vesicular volcanic glass)) — igneous

Pumice

Pumice (a highly vesicular volcanic glass)

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

Scoria (Red Lava Rock)

Scoria (Extrusive Igneous Rock)

Obsidian (Obsidian (Volcanic Glass) SiO2 (70% or more)) — igneous

Obsidian

Obsidian (Volcanic Glass) SiO2 (70% or more)

Basalt with Epidote (Porphyry) (Basalt (with inclusions of Epidote/Feldspar)) — igneous

Basalt with Epidote (Porphyry)

Basalt (with inclusions of Epidote/Feldspar)

Granite (Weathered) (Course-grained Intrusive Igneous Rock) — igneous

Granite (Weathered)

Course-grained Intrusive Igneous Rock

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Pumice (Pumice (Amorphous volcanic glass)) — igneous

Pumice

Pumice (Amorphous volcanic glass)

Crushed Stone (Likely Granite or Diabase) (Intrusive Igneous Rock (Granitoid/Gabbroid)) — igneous

Crushed Stone (Likely Granite or Diabase)

Intrusive Igneous Rock (Granitoid/Gabbroid)

Obsidian (Obsidian (Volcanic Glass, SiO2 + impurities)) — igneous

Obsidian

Obsidian (Volcanic Glass, SiO2 + impurities)

Scoria (Lava Rock) (Scoria (Mafic volcanic rock)) — igneous

Scoria (Lava Rock)

Scoria (Mafic volcanic rock)

Granite (Phaneritic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Igneous Rock (Granite)

Quartz Veined Basalt (Mafic Volcanic Rock with Microcrystalline Quartz (SiO2)) — igneous

Quartz Veined Basalt

Mafic Volcanic Rock with Microcrystalline Quartz (SiO2)

Iron Meteorite (Siderite (Meteoric Iron-Nickel alloy)) — igneous

Iron Meteorite

Siderite (Meteoric Iron-Nickel alloy)