Rock Identifier

Category

Mineral Based Composite

Browse mineral based composite specimens identified by the Rock Identifier community.

Learn about Mineral Based Composite in the encyclopedia

Pyroxenite

Lepidolite (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Heliotrope (Bloodstone) (Cryptocrystalline Quartz (SiO2) with inclusions of Hematite (Fe2O3)) — mineral

Heliotrope (Bloodstone)

Cryptocrystalline Quartz (SiO2) with inclusions of Hematite (Fe2O3)

Fire Agate (Silicon Dioxide (SiO2) with layers of Limonite/Goethite) — mineral

Fire Agate

Silicon Dioxide (SiO2) with layers of Limonite/Goethite

Muscovite Mica (Muscovite - KAl2(AlSi3O10)(F,OH)2) — mineral

Muscovite Mica

Muscovite - KAl2(AlSi3O10)(F,OH)2

Muscovite Mica (Muscovite / KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica

Muscovite / KAl2(AlSi3O10)(OH)2

Tree Agate (Silicon Dioxide (SiO2)) — mineral

Tree Agate

Silicon Dioxide (SiO2)

Fuchsite (Green Muscovite) (K(Al,Cr)2(AlSi3O10)(OH)2) — Mineral

Fuchsite (Green Muscovite)

K(Al,Cr)2(AlSi3O10)(OH)2

Chert (Pink and Yellow Chert) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Pink and Yellow Chert)

Microcrystalline Quartz (SiO2)

Siltstone (Siltstone) — sedimentary

Siltstone

Siltstone

Mica Schist (Mica Schist (primarily Muscovite and Quartz)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite and Quartz)

Dendritic Agate (Silicon Dioxide (SiO2) with Manganese or Iron Oxide inclusions) — mineral

Dendritic Agate

Silicon Dioxide (SiO2) with Manganese or Iron Oxide inclusions

Amygdaloidal Basalt with Quartz (Basalt (SiO2 inclusion)) — igneous

Amygdaloidal Basalt with Quartz

Basalt (SiO2 inclusion)

Granite (with Orthoclase and Quartz) (Phaneritic Felsic Igneous Rock (KAlSi3O8 + SiO2)) — igneous

Granite (with Orthoclase and Quartz)

Phaneritic Felsic Igneous Rock (KAlSi3O8 + SiO2)

Mica Schist with Quartz (Mica Schist (KAl2(AlSi3O10)(OH)2 / SiO2)) — metamorphic

Mica Schist with Quartz

Mica Schist (KAl2(AlSi3O10)(OH)2 / SiO2)

Muscovite Schist (Mica Schist (primarily KAl2(AlSi3O10)(OH)2)) — metamorphic

Muscovite Schist

Mica Schist (primarily KAl2(AlSi3O10)(OH)2)

Iron-stained Quartz (with Limonite/Hematite) (Silicon Dioxide (SiO2) with Iron Oxide inclusions (FeO(OH) or Fe2O3)) — Mineral

Iron-stained Quartz (with Limonite/Hematite)

Silicon Dioxide (SiO2) with Iron Oxide inclusions (FeO(OH) or Fe2O3)

Lepidolite Ore (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) — mineral

Lepidolite Ore

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) — mineral

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Stichtite in Serpentine (Atlantasite) (Mg6Cr2CO3(OH)16·4H2O (Stichtite) within Mg3Si2O5(OH)4 (Serpentine)) — Metamorphic rock / Mineral variety

Stichtite in Serpentine (Atlantasite)

Mg6Cr2CO3(OH)16·4H2O (Stichtite) within Mg3Si2O5(OH)4 (Serpentine)

Metamorphic rock / Mineral variety

Pink Lepidolite (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Pink Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Lepidolite (Lithium Mica) (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) — mineral

Lepidolite (Lithium Mica)

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Gneiss (Gneiss (Foliated Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Foliated Metamorphic Rock)

Fuchsite (Muscovite (chromium-rich), K(Al,Cr)2(AlSi3O10)(OH)2) — metamorphic

Fuchsite

Muscovite (chromium-rich), K(Al,Cr)2(AlSi3O10)(OH)2

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Schist (likely Mica Schist) (Mica Schist) — metamorphic

Schist (likely Mica Schist)

Mica Schist

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Aura Quartz (Coated Quartz) (Silicon Dioxide (SiO2) coated with vaporized metals) — mineral

Aura Quartz (Coated Quartz)

Silicon Dioxide (SiO2) coated with vaporized metals

Sandstone (Quartzose Sandstone) (Arenite (SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Arenite (SiO2)

Peridotite (Ultramafic intrusive igneous rock) — igneous

Peridotite

Ultramafic intrusive igneous rock

Quartz Druzy on Agate (Silicon Dioxide (SiO2)) — mineral

Quartz Druzy on Agate

Silicon Dioxide (SiO2)

Purple Dyed Dalmatian Stone (Dyed Peralkaline Trachyte) — igneous

Purple Dyed Dalmatian Stone

Dyed Peralkaline Trachyte

Sandstone (likely Graywacke or Arkose variant) (Clastic Sedimentary Rock (SiO2 dominated)) — sedimentary

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (SiO2 dominated)

Breccia (Breccia) — sedimentary

Breccia

Breccia

Conglomerate (Clastic Sedimentary Rock) — sedimentary

Conglomerate

Clastic Sedimentary Rock

Chert / Jasper (Silicon Dioxide (SiO2)) — sedimentary

Chert / Jasper

Silicon Dioxide (SiO2)

Basalt with Vesicles (Vesicular Basalt (Mafic Extrusive)) — igneous

Basalt with Vesicles

Vesicular Basalt (Mafic Extrusive)

K2 Jasper (K2 Granite) (Azurite in Granite (K(Mg,Fe)3AlSi3O10(OH,F)2 + Cu3(CO3)2(OH)2)) — igneous

K2 Jasper (K2 Granite)

Azurite in Granite (K(Mg,Fe)3AlSi3O10(OH,F)2 + Cu3(CO3)2(OH)2)

Greenschist (Chlorite Schist) — metamorphic

Greenschist

Chlorite Schist

Sandstone Pebble (Arenite (primarily SiO2)) — sedimentary

Sandstone Pebble

Arenite (primarily SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Gabbro (Indigo Gabbro) (Gabbro (mafic intrusive igneous rock)) — igneous

Gabbro (Indigo Gabbro)

Gabbro (mafic intrusive igneous rock)