Rock Identifier

Category

Igneous And Sedimentary Mixture

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

Tektite (Indochinite) (Tektite (Amorphous Meteoritic Glass)) — igneous

Tektite (Indochinite)

Tektite (Amorphous Meteoritic Glass)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Granite (Phaneritic Igneous Rock (Granitic)) — igneous

Granite

Phaneritic Igneous Rock (Granitic)

Granite (Granite (composed primarily of Quartz SiO2, Alkali Feldspar, and Plagioclase Feldspar)) — igneous

Granite

Granite (composed primarily of Quartz SiO2, Alkali Feldspar, and Plagioclase Feldspar)

Graphic Granite (Pegmatitic Quartz-Feldspar Granite) — igneous

Graphic Granite

Pegmatitic Quartz-Feldspar Granite

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Black Obsidian (Obsidian (Volcanic Glass)) — igneous

Black Obsidian

Obsidian (Volcanic Glass)

Snowflake Obsidian (Hydrated Volcanic Glass (primarily SiO2) with Cristobalite inclusions) — igneous

Snowflake Obsidian

Hydrated Volcanic Glass (primarily SiO2) with Cristobalite inclusions

Bumblebee Jasper (Hydrothermal Volcanic Rock (Primarily Calcite with Orpiment - As2S3, Realgar, and Pyrite)) — igneous

Bumblebee Jasper

Hydrothermal Volcanic Rock (Primarily Calcite with Orpiment - As2S3, Realgar, and Pyrite)

Granite (Granite (Mainly Quartz, Feldspar, and Mica)) — igneous

Granite

Granite (Mainly Quartz, Feldspar, and Mica)

Demitasse Granite (Diorite-Granite transition) (Intermediate Plutonic Rock (Granodiorite/Diorite mix)) — igneous

Demitasse Granite (Diorite-Granite transition)

Intermediate Plutonic Rock (Granodiorite/Diorite mix)

Mahogany Obsidian Arrowhead (Obsidian (volcanic glass) with Hematite inclusions) — igneous

Mahogany Obsidian Arrowhead

Obsidian (volcanic glass) with Hematite inclusions

Diamond in Kimberlite (Kimberlite host rock with C (Carbon) inclusion) — igneous

Diamond in Kimberlite

Kimberlite host rock with C (Carbon) inclusion

Granite (Granite) — igneous

Granite

Granite

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

Obsidian

Volcanic Glass (SiO2 + impurities)

Granite (Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)) — igneous

Granite

Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Chondrite Meteorite (Ordinary Chondrite (S-type asteroid origin)) — igneous

Chondrite Meteorite

Ordinary Chondrite (S-type asteroid origin)

Granite (Phaneritic Plutonic Felsic Rock (KAlSi3O8 + SiO2 + NaAlSi3O8)) — igneous

Granite

Phaneritic Plutonic Felsic Rock (KAlSi3O8 + SiO2 + NaAlSi3O8)

Olivine (Peridotite) (Magnesium iron silicate (Mg, Fe)2SiO4) — igneous

Olivine (Peridotite)

Magnesium iron silicate (Mg, Fe)2SiO4

Yooperlite (Sodalite-bearing Syenite) (Sodalite-rich Syenite) — igneous

Yooperlite (Sodalite-bearing Syenite)

Sodalite-rich Syenite

Granite (Granite (Alkali-feldspar, Quartz, and Plagioclase composition)) — igneous

Granite

Granite (Alkali-feldspar, Quartz, and Plagioclase composition)

Granite Cobble (Granite (Felsic Intrusive)) — igneous

Granite Cobble

Granite (Felsic Intrusive)

Granite (Weathered) (Phaneritic Felsic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite (Weathered)

Phaneritic Felsic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)

Diamond in Kimberlite (Diamond (C in Kimberlite)) — igneous

Diamond in Kimberlite

Diamond (C in Kimberlite)

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

Granite

Phaneritic Felsic Intrusive Rock (Granite)

Wishing Stone (Basalt with Quartz Vein) (Basalt containing a microcrystalline quartz (SiO2) or calcite vein) — igneous

Wishing Stone (Basalt with Quartz Vein)

Basalt containing a microcrystalline quartz (SiO2) or calcite vein

Apache Tear (Obsidian) (Volcanic glass (SiO2 - Silicon Dioxide)) — igneous

Apache Tear (Obsidian)

Volcanic glass (SiO2 - Silicon Dioxide)

Granite (Phaneritic Plutonic Igneous Rock) — igneous

Granite

Phaneritic Plutonic Igneous Rock

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Granite (weathered cobble) (Granite) — igneous

Granite (weathered cobble)

Granite

Granite (Granite (Main minerals: Quartz SiO2, Feldspar KAlSi3O8, Mica)) — igneous

Granite

Granite (Main minerals: Quartz SiO2, Feldspar KAlSi3O8, Mica)

Granite (Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)

Basalt (Vesicular and Ropey) (Vesicular Basalt / Pahoehoe Basalt) — igneous

Basalt (Vesicular and Ropey)

Vesicular Basalt / Pahoehoe Basalt

Granite (Granite (composed of Quartz, Feldspar, and Mica/Amphibole)) — igneous

Granite

Granite (composed of Quartz, Feldspar, and Mica/Amphibole)

Obsidian (Obsidian (Volcanic Glass, ~70–75% SiO2)) — igneous

Obsidian

Obsidian (Volcanic Glass, ~70–75% SiO2)

Black Obsidian (Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)) — igneous

Black Obsidian

Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Granite (Orthoclase rich) (Granite (composed primarily of Quartz and Potassium Feldspar KAlSi3O8)) — igneous

Granite (Orthoclase rich)

Granite (composed primarily of Quartz and Potassium Feldspar KAlSi3O8)

Obsidian (specifically Mahogany Obsidian) (Volcanic glass (high silica content, SiO2)) — igneous

Obsidian (specifically Mahogany Obsidian)

Volcanic glass (high silica content, SiO2)

Pumice (Pumice (a highly vesicular amorphous silicate glass)) — igneous

Pumice

Pumice (a highly vesicular amorphous silicate glass)