Quartz (Milky or Clear variety)
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.
Learn about Sedimentary Rock (Possibly Conglomerate Or Breccia With A Quartz Vein) in the encyclopedia
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Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Red Sandstone
Arenite with Hematite (Fe2O3)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Tumbled / Rounded)
Sedimentary Rock (Quartz arenite)
sedimentary
Quartzite (with Quartz Veining)
Quartzite (SiO2)
metamorphic
Green Jasper / Plasma
Microcrystalline Quartz (Chalcedony), SiO2 with inclusions
gemstone
Quartz pebble with calcite
Silicon dioxide (SiO2) with Calcium carbonate (CaCO3)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Sandstone Pebble
Sedimentary Rock (Quartz Arenite)
sedimentary
Red Jasper with Quartz Veins
Microcrystalline Quartz (SiO2) with Ferric Oxide (Fe2O3) inclusions
sedimentary
Quartz with Mica / Chlorite Inclusion
Silicon Dioxide (SiO2) with Phyllosilicate minerals
metamorphic
Sandstone with Manganese Staining
Quartz Arenite / Sedimentary Rock
sedimentary
Quartz (specifically Milky/Gray Quartz vein)
Silicon Dioxide (SiO2)
mineral
Sandstone pebble
Sandstone (Quartz-rich Arenite)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)
Mineral-based Sedimentary/Silica
Red Jasper (beads)
SiO₂ (Silicon Dioxide)
Mineral, variety of chalcedony (microcrystalline quartz)
River Pebbles (Basalt and Graywacke/Limestone)
Mafic Volcanic Rock / Impure Sandstone
igneous and sedimentary
Tumbled green jasper (probable serpentine-rich stone)
Jasper, microcrystalline quartz (SiO₂), possibly mixed with serpentine or chlorite
mineral
Quartz Geode
Crystalline Quartz (SiO2) within a sedimentary/igneous host
mineral
Possible fossilized ammonite or concretion
Indeterminate fossil specimen; possibly an ammonoid mold/cast in iron-rich sedimentary rock
fossil
Milky Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary Rock (Quartz Sandstone)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz-veined Metamorphic Rock (Wishing Stone)
Quartz-veined Metamorphic/Igneous Host Rock with Quartz Veinlets
metamorphic
Banded Agate (Onyx variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Quartz Druzy on Matrix
Silicon Dioxide (SiO2)
mineral
Dalmation Stone
Peralkaline Rock (mixed silicate minerals)
igneous
Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Opaque cryptocrystalline variety of Quartz
sedimentary
Calcite
Calcite (calcium carbonate, CaCO₃), likely a massive crystalline specimen
mineral
Sandstone
Clastic sedimentary rock (Quartz arenite)
sedimentary
Massive Quartz (Milky or Gray)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gray River Pebble (Limestone or Greywacke)
Sedimentary Pebble (Calcite / Quartz composition)
sedimentary
Tumbled dark red-brown stone, possibly jasper
Likely opaque microcrystalline quartz (chalcedony/jasper), SiO₂; exact identification is uncertain from the blurred photograph
gemstone