Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide staining/cementing)
sedimentary
Category
Mineral Or Sedimentary Rock (With Mineral Inclusions)
Browse mineral or sedimentary rock (with mineral inclusions) specimens identified by the Rock Identifier community.
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Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Biotite Schist
Biotite-rich Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic
Jasper
Jasper / Silicon Dioxide (SiO₂)
sedimentary
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt
Igneous
Porphyry (Flower Stone)
Porphyritic Basalt or Andesite
igneous
Jasper
Silicon Dioxide (SiO2)
mineral
Amber
Succinite (with formula approximately C10H16O)
Organic mineraloid
Orbicular Jasper (Ocean Jasper)
Silicon Dioxide (SiO2) with various inclusions
mineral
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
sedimentary (anthropogenic / man-made)
Banded Chert (Ironstone type)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Sandstone with Ironstone Concretion
Arenite with Hematite/Goethite nodules (Fe2O3 / FeO(OH))
sedimentary
River Stone / Pebble
Clastic Sediment (composed largely of Quartz, Feldspar, and various rock fragments)
Mineral, Sediment
Smoky Quartz with Hematite Inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
mineral
Granite
Granite
igneous
Quartz Druzy (on Matrix)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide - SiO2)
mineral
Red Breccia Jasper
Silicon Dioxide (SiO2) with hematite and various mineral inclusions
sedimentary
Quartz with Sulfide Inclusions
Silicon Dioxide (SiO2) with metallic mineral inclusions
mineral
Garnet-Bearing Gneiss
Almandine-Garnet Gneiss
metamorphic
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Red Sandstone
Arenite (ferruginous sandstone)
sedimentary
Yellow Aventurine (Tumbled)
Silicon Dioxide (SiO2) with inclusions
mineral
Dalmatian Stone
Peralkaline igneous rock containing quartz, feldspar, and arfvedsonite
igneous
Chert (with Epidote/Quartz veining)
Cryptocrystalline silica (SiO2) with Epidote/Quartz inclusions
sedimentary
Banded Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2 with iron oxide inclusions)
sedimentary
Siltstone or Fine-grained Sandstone pebble
Siltstone (primarily SiO2 with clay minerals)
sedimentary
Moss Agate with Jasper
Chalcedony (SiO2 with inclusions)
mineral
Garnet Schist
Almandine-Muscovite Schist
metamorphic
Granite
Granite (Phaneritic Igneous Rock)
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Granite
Plutonic felsic igneous rock
igneous
Tumbled Mineral Collection (Amethyst, Celestite, K2 Jasper, Rose Quartz, Ruby in Zoisite, Que Sera Stone)
Mixed Mineral Specimens (Quartz SiO2, Celestite SrSO4, Corundum Al2O3 with Zoisite, etc.)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with Iron Hydroxide inclusions
mineral
Basalt with Amygdales
Amygdaloidal Basalt
igneous
Amygdaloidal Basalt
Basalt (Igneous Volcanic Rock with secondary mineral infilling)
igneous
Sandstone
Arenite (primarily SiO2)
sedimentary
Lapis Lazuli (Low Grade)
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2)
metamorphic
Quartz on Sandstone
Silicon Dioxide (SiO2) in Lithic Sandstone
sedimentary
Milky Quartz (Crystal Cluster)
Silicon Dioxide (SiO2) - Quartz Variety
mineral