Rock Identifier

Category

Igneous And Sedimentary Mixture

Browse igneous and sedimentary mixture specimens identified by the Rock Identifier community.

Olivine (Peridotite) ((Mg,Fe)2SiO4 (Magnesium Iron Silicate)) — igneous

Olivine (Peridotite)

(Mg,Fe)2SiO4 (Magnesium Iron Silicate)

Basalt with Plagioclase Phenocrysts (Porphyritic Basalt) — igneous

Basalt with Plagioclase Phenocrysts

Porphyritic Basalt

Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Basalt (Basalt (Aphanitic Mafic Volcanic)) — igneous

Basalt

Basalt (Aphanitic Mafic Volcanic)

Basalt (Mafic Volcanic Rock (Primarily Plagioclase Feldspar and Pyroxene)) — igneous

Basalt

Mafic Volcanic Rock (Primarily Plagioclase Feldspar and Pyroxene)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

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

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

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

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Basalt (Mafic volcanic rock (primarily plagioclase feldspar and pyroxene)) — igneous

Basalt

Mafic volcanic rock (primarily plagioclase feldspar and pyroxene)

Basalt (Basalt) — igneous

Basalt

Basalt

Granite (Intrusive igneous rock (Acidic)) — igneous

Granite

Intrusive igneous rock (Acidic)

Obsidian (Volcanic glass (SiO2 - Silicon Dioxide with impurities)) — igneous

Obsidian

Volcanic glass (SiO2 - Silicon Dioxide with impurities)

Polished Basalt (Basalt (Mafic volcanic rock)) — Igneous

Polished Basalt

Basalt (Mafic volcanic rock)

Basalt Scoria (Vesicular Basalt) — igneous

Basalt Scoria

Vesicular Basalt

Basalt (Basalt (Aphanitic Mafic Volcanic Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Volcanic Rock)

Basalt (River Stone) (Basalt (Aphanitic mafic volcanic rock)) — igneous

Basalt (River Stone)

Basalt (Aphanitic mafic volcanic rock)

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

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

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

Basalt (River Stone)

Basalt (Mafic Extrusive Igneous Rock)

Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Scoria (Vesicular Basalt / Scoria) — igneous

Scoria

Vesicular Basalt / Scoria

Carnelian (SiO2 (Silicon Dioxide) - Carnelian Agate/Chalcedony) — mineral

Carnelian

SiO2 (Silicon Dioxide) - Carnelian Agate/Chalcedony

Bronzite (Enstatite (var. Bronzite), (Mg,Fe)SiO3) — mineral

Bronzite

Enstatite (var. Bronzite), (Mg,Fe)SiO3

Diorite (Dalmatian Stone variant) (Phaneritic Plutonic Igneous Rock (Medium to Fine-grained Diorite)) — igneous

Diorite (Dalmatian Stone variant)

Phaneritic Plutonic Igneous Rock (Medium to Fine-grained Diorite)

Pumice (Pumice (volcanic glass foam)) — igneous

Pumice

Pumice (volcanic glass foam)

Obsidian (Volcanic Glass (predominantly SiO2)) — igneous

Obsidian

Volcanic Glass (predominantly SiO2)

Obsidian (Volcanic glass) — igneous

Obsidian

Volcanic glass

Pumice (Pumice (Vesicular Rhyolite/Andesite)) — igneous

Pumice

Pumice (Vesicular Rhyolite/Andesite)

Diabase (also known as Dolerite) (Diabase) — igneous

Diabase (also known as Dolerite)

Diabase

Diamond in Kimberlite (Diamond in Kimberlite Matrix (Diamond: C, Kimberlite: complex Potassic Peridotite)) — igneous

Diamond in Kimberlite

Diamond in Kimberlite Matrix (Diamond: C, Kimberlite: complex Potassic Peridotite)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Basalt Column Section (Columnar Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt Column Section

Columnar Basalt (Mafic Extrusive Igneous Rock)

Pink Granite (River Pebble) (Felsic Intrusive Igneous Rock) — igneous

Pink Granite (River Pebble)

Felsic Intrusive Igneous Rock

Basalt (Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Granite (Granite (composed of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Granite (composed of Quartz, Alkali Feldspar, and Plagioclase)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Gold Sheen Obsidian (Obsidian (volcanic glass with SiO2 + gas inclusions)) — igneous

Gold Sheen Obsidian

Obsidian (volcanic glass with SiO2 + gas inclusions)

Pink Granite (Gneissic transition) (Pink Biotite Granite) — igneous

Pink Granite (Gneissic transition)

Pink Biotite Granite

Pumice (Pumice (Vitreous volcanic rock)) — igneous

Pumice

Pumice (Vitreous volcanic rock)

Pumice (Pumice (a highly vesicular extrusive igneous rock)) — igneous

Pumice

Pumice (a highly vesicular extrusive igneous rock)

Porphyritic Basalt or Andesite (Porphyritic Basalt / Andesite) — Igneous

Porphyritic Basalt or Andesite

Porphyritic Basalt / Andesite

Stream Pebble (Basalt/Greywacke) (Mafic Igneous Rock (Fine-grained)) — igneous

Stream Pebble (Basalt/Greywacke)

Mafic Igneous Rock (Fine-grained)