Dalmatian Stone
Peralkaline igneous rock containing quartz, feldspar, and arfvedsonite
igneous
Category
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Dalmatian Stone (commonly Dyed)
Dalmatian Jasper (Peralkaline igneous rock)
igneous
Dalmation Jasper
Dalmation Stone (perthitic feldspar with arfvedsonite)
igneous
Dalmation Stone
Peralkaline rhyolite (SiO2 with Arfvedsonite/Riebeckite)
igneous
Sandstone (Quartzite-rich Pebble)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone
Sandstone (SiO2 dominated)
sedimentary
Fossiliferous Siltstone
Clastic Sedimentary Rock with Fossil Inclusions
sedimentary
Limestone with Calcite Veins
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Jasper (likely Iron-stained)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Fossilized Coral
Rugose Coral (Order Rugosa) or Tabulate Coral
fossil
Quartz Vein in Host Rock
Quartz (SiO2) in Mafic or Sedimentary Matrix
igneous
Sedimentary Pebble (Sandstone)
Clastic Sedimentary Rock (SiO2 dominant)
sedimentary
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Faceted Clear Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Sandstone
Clastic sedimentary rock (Quartz arenite / Arkose)
sedimentary
Sandstone
Clastic sedimentary rock (quartz arenite)
sedimentary
Hag Stone
Perforated Sedimentary Rock / Flint / Limestone
sedimentary
Fossiliferous Limestone
Biogenic Sedimentary Rock (primarily CaCO3)
sedimentary
Chalk
Sedimentary carbonate rock (Calcite, CaCO3)
sedimentary
Limestone Boulder
Sedimentary Rock (Calcium Carbonate, CaCO3)
sedimentary
Limestone
Sedimentary Rock (Primarily Calcite: CaCO3)
sedimentary
Pebble
Lithified rock fragment / Sedimentary clast
sedimentary
Limestone Pebble
Calcite-rich Sedimentary Rock (CaCO3)
sedimentary
Pebble / Sandstone / Siltstone
Sedimentary Rock (Quartz Sandstone / Siltstone)
sedimentary
Sandstone (Quartzose)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Banded Siltstone or Mudstone
Clastic Sedimentary Rock (Siltstone/Argillite)
sedimentary
River Cobble (Quartzite or Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Glacial Erratic (Graywacke/Sandstone)
Clastic Sedimentary Rock (Lithic Sandstone)
sedimentary
Sandstone (River Pebble)
Clastic Sedimentary Rock (primarily Quartz)
sedimentary
Sandstone concretion
Arenite sedimentary rock (concretion/nodule)
sedimentary
Banded Iron Formation (BIF) / Ironstone
Ferruginous sedimentary rock (Fe2O3 + SiO2)
sedimentary
Sandstone with Manganese Oxide Patina
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Sandstone (Quartz Arenite)
Clastic Sedimentary Rock - Quartz Arenite
sedimentary
Conglomerate
Clastic sedimentary rock (Polymictic Conglomerate)
sedimentary
Sandstone (Cross-bedded Drill Core)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Ferruginous Conglomerate
Ferruginous Conglomerate (Clastic Sedimentary Rock)
sedimentary
Conglomerate (River Rock)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (Quartzose Pebble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Oolitic Limestone
Oolite (Sedimentary rock composed of CaCO3)
sedimentary
Sandstone (Quartzite texture)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Fossiliferous Limestone
Calcite-rich Sedimentary Rock (CaCO3)
sedimentary