Pink Granite
Phaneritic Plutonic Felsic Igneous Rock (Granite)
igneous
Category
Mineral Based Composite
Browse mineral based composite specimens identified by the Rock Identifier community.
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Snowflake Obsidian
Volcanic Glass with Spherulitic Cristobalite Inclusion
igneous
Basalt with Epidote Veins
Mafic Igneous Rock (Basalt)
igneous
Granite
Granite (Silicic Plutonic Rock)
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Red Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Basalt with Vesicle/Vug
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Bismuth
Bismuth (Bi)
mineral
Muscovite Mica in Quartz Matrix
Muscovite (KAl2(AlSi3O10)(OH)2) in Quartz (SiO2)
mineral
Muscovite Schist
Muscovite Mica Schist (KAl2(AlSi3O10)(OH)2)
metamorphic
Granite with Mafic Inclusions
Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)
igneous
Ferruginous Sandstone (with possible trace fossils)
Arenite with Iron-Oxide Cement (SiO2 with Fe2O3)
sedimentary
Greenish Feldspathic Rock / Epidote Granite (Unakite-type or Epidote-bearing rock)
Epidotized Metamorphic/Igneous Rock
metamorphic
Basalt
Mafic extrusive igneous rock
igneous
Sandstone Pebble with Mineral Encrustation
Quartz Sandstone with Calcite/Halite Crust
sedimentary
Sandstone
Arenite (SiO2 principal)
sedimentary
Schist with Quartz/Mica
Mica Schist (primarily Muscovite and Quartz)
Metamorphic
Angel Aura Quartz (Treated Clear Quartz)
Silicon Dioxide (SiO2) coated with Vaporized Silver and Platinum
mineral
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Feldspar, and Mica)
igneous
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
mineral
Vesicular Basalt
Vesicular Basalt (Aphanitic Mafic Igneous Rock)
igneous
Basalt with Quartz Vein
Mafic Igneous Rock (Basalt) with SiO2 (Quartz) Vein
igneous
Granodiorite Pebble
Granodiorite
igneous
Granite
Granite (Felsic Intrusive Igneous Rock)
igneous
Granite
Granite (Phaneritic Quartz-Feldspar Rock)
igneous
Sandstone (Greywacke)
Arenite / Wacke (SiO2 + varied clasts)
sedimentary
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Chlorastrolite (Greenstone)
Chlorastrolite (variety of Pumpellyite) - Ca2(Mg,Fe)Al2(SiO4)(Si2O7)(OH)2 · H2O
mineral
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 cement)
sedimentary
Mica Schist (with Muscovite mica)
Mica Schist (KAl2(AlSi3O10)(OH)2)
metamorphic
Dalmatian Stone
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Limonite-stained Granite
Felsic Plutonic Rock with Hydrated Iron Oxides
igneous
Porphyritic Amygdaloidal Basalt
Amygdaloidal Porphyritic Basalt (Mafic volcanic rock)
igneous
Tree Agate
Chalcedony (SiO2)
gemstone
Green Aura Quartz
Silicon Dioxide (SiO2) bonded with metallic vapors (typically Gold, Chromium, or Titanium)
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Granodiorite
Granodiorite
igneous
Granite
Phaneritic plutonic rock (composed mainly of SiO2, Al2O3, K2O, and Na2O)
igneous
Conglomerate (River Rock Aggregate)
Conglomerate (Lithic-clast conglomerate)
sedimentary
Chert (variations include Chalcedony and Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Granite
Phaneritic Igneous Rock (Granite)
igneous
Conglomerate
Conglomerate (Detrital sedimentary rock)
sedimentary