Quartz (chalcedony variety) or Limestone with Quartz Veins
SiO2 (for Quartz/Chalcedony); CaCO3 (for Limestone)
Mineral or Sedimentary Rock (with mineral inclusions)
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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Green Jasper
Microcrystalline Quartz (SiO2) with mineral inclusions
sedimentary
Sandstone (River Cobble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Vein-filled Sedimentary Rock
Silicified sedimentary rock with quartz/calcite vein
sedimentary
Amygdaloidal Basalt
Amygdaloidal Basalt (extrusive volcanic rock with mineral inclusions)
igneous
Worn River Pebble with Fossil Indentation
Sedimentary Rock with Fossil Infill
sedimentary
Plume Agate
Silicon Dioxide (SiO2)
mineral
Zebra Jasper
Silicified sedimentary rock (SiO2) with mineral inclusions
sedimentary
Leopard Jasper
Microcrystalline Quartz (SiO2) with mineral inclusions
sedimentary
Banded Sedimentary Rock
Sedimentary rock with mineral veins/banding
sedimentary
Dendritic Agate or Moss Agate Nodules (Septarian-like)
Chalcedony with mineral inclusions (SiO2)
sedimentary
Red Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Geode half
Geode (often quartz/chalcedony based)
sedimentary or igneous
Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Quartz Geode
Quartz (SiO2) within a geode structure
mineral
Fancy Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Jasper with Purple Fluorite or Chalcedony
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Imperial Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz with Mineral Inclusions
Sedimentary
Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Band Agate / Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Quartz Geode
Quartz (Silicon Dioxide, SiO2)
mineral
Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Educational Geologic Collection
Mixed Mineral and Rock Collection (Various compositions)
mineral
Shale or Slaty Mudstone
Argillaceous sedimentary rock
sedimentary
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite
sedimentary
Quartz-rich mineral fragment
Quartz (silicon dioxide, SiO₂), possibly milky quartz
mineral
Sandstone with Mineral Veining or Crust
Sedimentary Sandstone (mostly SiO2 with Fe2O3 tinting)
sedimentary
Conglomerate Pebble (with Chert / Quartz)
Sedimentary Conglomerate / Breccia Pebble
sedimentary
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Gneiss
Banded orthogneiss or paragneiss, typically quartz–feldspar–mica bearing
metamorphic
Basalt with Xenolith
Extrusive Igneous Rock containing Mantle Xenolith
igneous
Red Sandstone
Arenite (primarily quartz with iron oxide cement)
sedimentary
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Vein in Hematitic Siltstone
Hydrothermal Quartz (SiO2) in Ferriferous Matrix
metamorphic
Mixed Tumbled Rocks and Minerals Collection
Mixed Minerals and Rocks (Quartz, Feldspar, Jasper, Agate, Lapis Lazuli, Sodalite, Rose Quartz, Fluorite, etc.)
mineral
Quartzwacke / Impure Sandstone
Arenite with minor lithic fragments (Silicon Dioxide matrix)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 with various cementing minerals)
sedimentary
Quartz fragment (Pebble)
Silicon Dioxide (SiO2)
mineral
Sandstone Pebble
Sandstone (primarily SiO2)
sedimentary