Milky Quartz
Silicon Dioxide (SiO2)
mineral
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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Conglomerate
Conglomerate (Rock composed predominantly of rounded clasts > 2mm)
sedimentary
Rounded quartz-rich beach pebble
Likely quartzite or quartz-rich sandstone; predominantly quartz (SiO₂)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Jasper Breccia
Silicon Dioxide (SiO2) with impurities
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
sedimentary
Basalt and Quartz Pebble
Basalt (Igneous) and Quartzite/Quartz (SiO2) pebble
igneous and sedimentary
Sandstone with Quartz Vein
Quartz-cemented quartz arenite
sedimentary
Tumbled Rose Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone with Iron-Stained Band
Quartz Arenite / Sedimentary Rock
sedimentary
Quartz-rich rock fragment, possibly granite or quartzite
Primarily quartz (SiO₂), with possible feldspar and iron-oxide staining
igneous or metamorphic
Brecciated Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite with Quartz Vein
Quartzite (primarily SiO2)
metamorphic
Jasper and Chert Conglomerate
Ferruginous Microcrystalline Quartz (SiO2)
sedimentary
Quartz Vein in Greenstone
Metamorphic rock with quartz vein (SiO2 / mixed silicates)
metamorphic
Jasper with Iron Staining
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Quartz in Host Rock
Silicon Dioxide (SiO2) in Rhyolite or Granite matrix
igneous
Quartz Vein in Pelite (Metamorphic Rock)
Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)
metamorphic
Polished or tumbled jasper
Microcrystalline quartz (SiO₂), commonly iron-oxide-rich jasper
metamorphic
Quartzite with Quartz Vein
Metamorphosed sandstone (SiO2)
metamorphic
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Greenish Metamorphic Rock (likely containing epidote or chlorite)
Metamorphic rock, possibly epidosite or greenstone
Metamorphic
Basalt with Quartz Vein
Extrusive Igneous Rock / Volcanic Rock
igneous
Conglomerate
Conglomerate (SiO2 primary clasts with lithic matrix)
sedimentary
Concrete Paver (Artificial Cementitious Rock)
Hydrated Portland Cement Aggregate
Sedimentary (Synthetic)
Light-colored weathered stone, possibly limestone or quartz-rich rock
Indeterminate; likely calcitic limestone (mostly CaCO₃) or quartz sandstone (SiO₂)
sedimentary
Quartzite Pebble with Quartz Vein
Metamorphic Sandstone (Quartzite) with Hydrothermal Quartz
metamorphic
Wishing Stone with Quartz Veins
Quartzite or Quartz-veined Metamorphic Rock (composed mainly of SiO2)
metamorphic
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
River Pebble (Gravel)
Rounded clastic sediment
sedimentary
Brecciated Jasper
Brecciated Jasper (Microcrystalline Quartz / SiO2)
sedimentary
Puddingstone (Gowganda Tillite/Lorrain Quartzite)
Jasper Conglomerate
sedimentary
Quartz pebble
Silicon dioxide (SiO2)
mineral
Greywacke with Quartz Vein
Greywacke (immature sandstone) with SiO2 inclusions
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Jasper with Quartz Vein
Microcrystalline quartz (SiO2) with quartz infill
sedimentary
Gneiss with Quartz/Feldspar Vein
Quartz-Feldspathic Gneiss
metamorphic
Gneiss with Quartz Vein
Metamorphic Gneiss
metamorphic
Quartz Drusy on Matrix
Silicon Dioxide (SiO2)
mineral
Calcite-rich limestone, possibly fossiliferous
Limestone composed mainly of calcite (CaCO₃), potentially containing a fragmentary fossil or calcite-filled structure
sedimentary
Iron-rich breccia (likely hematite–goethite breccia)
Hematite (Fe₂O₃) and goethite (FeO(OH)) in a silicified or iron-cemented breccia
sedimentary
Quartz
Silicon Dioxide (SiO2)
Mineral