Quartz Vein in Sandstone
Quartz (SiO2) in Clastic Sedimentary Rock
sedimentary
Category
Sedimentary Rock (Metamorphosed)
Browse sedimentary rock (metamorphosed) specimens identified by the Rock Identifier community.
Learn about Sedimentary Rock (Metamorphosed) in the encyclopedia
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Sandstone
Sedimentary rock composed mainly of sand-sized minerals or rock grains
sedimentary
River Stone (Basalt or Siltstone)
Mafic Volcanic Rock or Clastic Sedimentary Rock
igneous or sedimentary
Shale with Trace Fossils
Fissile mudrock (Shale)
sedimentary
Shale
Fissile mudstone (rich in clay minerals and quartz)
sedimentary
Fossiliferous Shale
Sedimentary Clastic Rock with fossil inclusions (likely Brachiopod or Bivalve impressions)
fossil
Worn River Pebble with Fossil Indentation
Sedimentary Rock with Fossil Infill
sedimentary
Shale (or Mudstone)
Clay mineral aggregate / Fine-grained siliciclastic sedimentary rock
sedimentary
Eroded Limestone with Iron Staining
Carbonate Rock (CaCO3)
sedimentary
Sandstone
Arenite
sedimentary
Druzy Quartz on Chert/Siltstone
Silicon Dioxide (SiO2) on Microcrystalline Silica/Siltstone matrix
sedimentary
Red Jasper or Ironstone concretion
SiO2 or Fe2O3
sedimentary or mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Green Opal
Hydrated Silica (SiO2·nH2O)
mineraloid
Shale
Sedimentary rock composed of clay minerals and quartz
sedimentary
Diorite (Dalmatian Stone)
Phaneritic Plutonic Diorite
igneous
Gravel / Limestone Fragment
Calcium Carbonate (CaCO3) / Fine-grained Sedimentary Rock
sedimentary
Fossiliferous Limestone
Limestone with fossil bioclasts (Calcium Carbonate, CaCO3)
sedimentary
Sandstone (Greywacke)
Sandstone (SiO2 enriched with lithic fragments)
sedimentary
Sandstone and Mixed Rock Assemblage
Clastic Sedimentary Rock / Quartz Arenite
sedimentary
Sandstone and Gravel Aggregate
Clastic Sedimentary Rock / Quartzose Sandstone
sedimentary
Sandstone
Sedimentary Rock (Quartz Sandstone)
sedimentary
Painted Rock
Weathered Sedimentary Rock (Painted)
sedimentary
Sandstone
Arenite (SiO2, often with CaCO3 or Fe2O3 cement)
sedimentary
Sandstone
Arenite (SiO2 based typically)
sedimentary
Rugose Coral Fossil
Order Rugosa
fossil
Gneiss (specifically Granitic Gneiss)
Gneissic Metamorphic Rock
metamorphic
Sandstone
Arenite
sedimentary
Sandstone with Quartz Veins
Arenite (primarily SiO2 with Fe2O3 staining)
sedimentary
Painted Garden Rock
Coated Siltstone or Mudstone
sedimentary
Sandstone Pebble
Quartzose Sandstone (Sedimentary Rock)
sedimentary
Geode (Unopened)
Siliceous Geode (SiO2)
sedimentary
Brachiopod Fossil in Sedimentary Rock
Phylum Brachiopoda fossil imprint in sedimentary matrix
fossil
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
sedimentary
Red Sandstone Pebble
Quartzose Sandstone
sedimentary
Sandstone Pebble
Arenite (SiO2 dominated with iron oxide)
sedimentary
Gastropod Fossil
Class Gastropoda (fossilized)
fossil
Fossilized Bone Fragment
Vertebrate Fossil
fossil
Brachiopod Fossil in Sedimentary Matrix
Phylum Brachiopoda in Siltstone/Mudstone matrix
fossil
Seashell Fragment
Calcium Carbonate (CaCO3) in the form of Aragonite or Calcite
mineral
Sandstone (Micaceous)
Clastic Sedimentary Rock - Micaceous Litharenite (SiO2 principal)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary