Quartz with Mica Schist (Pegmatite Specimen)
SiO2 (Silicon Dioxide) and Phyllosilicates (Biotite/Muscovite)
Igneous/Metamorphic Hybrid
Category
Sedimentary Rock (Possibly Conglomerate Or Breccia With A Quartz Vein)
Browse sedimentary rock (possibly conglomerate or breccia with a quartz vein) specimens identified by the Rock Identifier community.
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Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz Geode/Vug in Host Rock
SiO2 (Silicon Dioxide) in various host rocks
mineral
Quartz (Milky Quartz / Quartz Specimen)
Silicon Dioxide (SiO2)
mineral
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Orange calcite
Calcite (CaCO₃), likely honey/orange calcite
mineral
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartz (Crystalline Cluster)
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary Clastic Rock (Quartz arenite)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Gold (Elemental Metal)
Gold (Au)
Mineral
Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Milky quartz (likely quartz-rich rock)
Quartz, silicon dioxide (SiO₂)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Basalt with Quartz/Calcite Veins
Aphanitic Mafic Igneous Rock (Hydrothermal Veined)
igneous
Fossiliferous Sandstone (with Quartz patch)
Sedimentary Sandstone with Silicified Shell Fragments
sedimentary
Sandstone Grain
Clastic Sedimentary Rock Grain (SiO2 dominated)
sedimentary
African Turquoise (Jasper)
Quartz (SiO2) with impurities (Epidote/Amphibole)
metamorphic
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
mineral
Amethyst
Silicon Dioxide (SiO2)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Quartz / Rose Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Geode (Druzy Quartz)
Silicon Dioxide (SiO2)
mineral
Red Sandstone
Sedimentary Arenite / Quartzose Sandstone
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Milky quartz
Quartz, silicon dioxide (SiO₂)
mineral
Quartz
Quartz (SiO₂)
Mineral
Chert (Pebble)
Silicon Dioxide (SiO2)
sedimentary
Weathered limestone or calcareous sandstone
Calcite-rich carbonate rock, chiefly calcium carbonate (CaCO₃), possibly fossiliferous limestone
sedimentary
Basalt with Quartz Veining
Mafic Volcanic Rock with Silicate Micro-veins
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions
mineral
White Quartz Beads
Silicon Dioxide (SiO2)
mineral
Sandstone
Sandstone (Quartz-rich sedimentary rock)
sedimentary