Sandstone
Arenite (SiO2 based with various cements)
sedimentary
Category
Mineral Or Sedimentary Rock (With Mineral Inclusions)
Browse mineral or sedimentary rock (with mineral inclusions) specimens identified by the Rock Identifier community.
Learn about Mineral Or Sedimentary Rock (With Mineral Inclusions) in the encyclopedia
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Polished yellow jasper or opaque chalcedony bead
Microcrystalline quartz (SiO₂), likely iron-oxide-stained jasper
mineral
Conglomerate
Polymictic Conglomerate
sedimentary
Garnet in Schist (Mica Schist with Garnet Inclusion)
Garnetiferous Mica Schist (X3Al2(SiO4)3)
metamorphic
Gneiss (Metamorphic Rock)
Gneiss (variable mineral formula primarily containing Quartz, Feldspar, and Mica)
metamorphic
Granite
Granite (Phaneritic igneous rock)
igneous
Sandstone (Quartzose / Feldspathic Sandstone)
Arenite (SiO2 principal matrix)
sedimentary
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
mineral
Lapis Lazuli
Lapis Lazuli (Primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Yellow Chalcedony (common opal or chert variant)
Silicon Dioxide (SiO2)
sedimentary (mineraloid/microcrystalline quartz)
Himalayan Pink Salt
Halite (NaCl) with iron oxide inclusions
sedimentary
Dragon Blood Jasper
SiO2
mineral
Green Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Polished River Jasper
Silicon Dioxide (SiO2) with iron and other mineral inclusions
sedimentary
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2)
mineral
Sandstone Clast
Arenite (primarily SiO2)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz with Inclusions
Silicon Dioxide (SiO2)
mineral
Fuchsite
Chromium-rich Muscovite Mica
mineral
Milky Quartz Pebble with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Variscite (or potentially a turquoise/variscite matrix cabochon, or an impression jasper)
AlPO4·2H2O (Variscite) or related phosphate/silicate material depending on exact composition
Mineral
Yellow Jasper
Silicon Dioxide with Limonite/Goethite inclusions (SiO2)
sedimentary
Gneiss (High-Grade Metamorphic Rock)
Gneiss (primarily composed of Quartz, Feldspar, and Mica/Amphiboles)
metamorphic
Granite
Phaneritic Felsic Igneous Rock
igneous
Sandstone (Red)
Arenite (primarily Quartz, SiO2, with Iron Oxide cement)
sedimentary
Quartz (Milky/Crystalline)
Silicon Dioxide (SiO2)
mineral
Red Sandstone
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
sedimentary
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Sandstone (with garnet granules)
Clastic sedimentary rock (primarily SiO2 with Fe3Al2(SiO4)3 inclusions)
sedimentary
Montana Moss Agate
Chalcedony (SiO2) with Manganese/Iron oxide inclusions
sedimentary
Pegmatite (Quartz, Feldspar, and Tourmaline/Biotite)
Pegmatitic Igneous Rock
igneous
Granite Pebble (Weathered)
Phaneritic Felsic Igneous Rock
igneous
Orange calcite
Calcite (CaCO₃), likely honey/orange calcite
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Greywacke with Quartz Veins
Lithic Sandstone (Greywacke) with SiO2 inclusions
sedimentary
Beach Pebble (Basalt/Porphyry)
Weathered Basalt or Porphyry
igneous
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Fossiliferous Limestone / Petrifaction
Sedimentary rock with fossil inclusions / Calcium Carbonate (CaCO3)
fossil
Pink Opal (Common Opal)
Amorphous Hydrated Silica (SiO2·nH2O)
mineral
Hag Stone
Perforated sedimentary rock (typically limestone, sandstone, or flint)
sedimentary
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)
metamorphic