Gastropod Fossil
Class Gastropoda (fossilized)
fossil
Category
Mineral On Sedimentary Rock
Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.
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Sandstone (lithic wacke/conglomerate mix)
Clastic Sedimentary Rock (SiO2 with lithic fragments)
sedimentary
Sandstone (likely Conglomerate or Gritstone)
Arenite (SiO2 based)
sedimentary
Sandstone
Clastic sedimentary rock (Quartz arenite)
sedimentary
Shale
Laminated Mudstone
sedimentary
Unidentified Dark Mineral or Rock
Indeterminate (Likely Silicon Dioxide or Carbon-based)
mineral
Fossil Snail Shell (Embedded in Resin)
Gastropoda fossil
fossil
Sandstone
Arenite
sedimentary
General Rock and Mineral Collection (Center: Angelite / Blue Anhydrite)
Anhydrite (Calcium Sulfate, CaSO4)
Mineral
Sandstone
Sedimentary Rock (Quartz/Feldspar grains cemented together)
sedimentary
Fossil Snail
Gastropoda (fossilized)
fossil
Quartz Vein in Sedimentary Matrix
Silicon Dioxide (SiO2) with host rock
mineral
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Coquina / Shelly Sandstone
Calcareous Sandstone / Coquina
sedimentary
Mixed Tumbled Rocks and Minerals Collection
Mixed Minerals and Rocks (Quartz, Feldspar, Jasper, Agate, Lapis Lazuli, Sodalite, Rose Quartz, Fluorite, etc.)
mineral
Hag Stone
Perforated sedimentary rock (typically flint, chert, or limestone)
sedimentary
Quartz on Matrix
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite
sedimentary
Conglomerate
Conglomerate (Sedimentary Rock)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Sedimentary Rock (Quartz Arenite)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Coarse Sandstone Pebble
Clastic Sedimentary Rock (Sandstone)
sedimentary
Sandstone
Arenite (SiO2 principal)
sedimentary
Fossilized Shell Impression / Siltstone Fossil
Bivalvia / Brachiopoda mold in Siltstone
fossil
Sandstone/Quartzite
Sedimentary Rock (composed mainly of SiO2)
sedimentary
Weathered Sedimentary Rock with Liesegang Rings
Sandstone or Siltstone with Iron Oxide Banding
sedimentary
Hag Stone (Adder Stone / Geode-bearing Pebble)
Sedimentary Rock with Cavity (often Quartzite, Limestone, or Sandstone)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary Rock (Quartz Arenite)
sedimentary
Felsic gneiss, likely granitic gneiss
Quartz–feldspar–mica gneiss; commonly quartz + plagioclase/K-feldspar + biotite or hornblende
metamorphic
Sandstone
Arenite (SiO2 based sedimentary rock)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (likely Arkose or Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite
sedimentary
Gravel and Sand Aggregate
Unconsolidated Clastic Sediment
sedimentary
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary