Cone-in-cone structure (Limestone)
Cone-in-cone structure (Secondary Sedimentary Structure)
Category
Browse mineral on sedimentary specimens identified by the Rock Identifier community.
Cone-in-cone structure (Limestone)
Cone-in-cone structure (Secondary Sedimentary Structure)
Sandstone
Clastic Sedimentary Rock
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Conglomerate / Breccia Matrix (Aggregated Rock)
Sedimentary Breccia / Conglomerate
General Rock and Mineral Collection (Center: Angelite / Blue Anhydrite)
Anhydrite (Calcium Sulfate, CaSO4)
Sandstone
Clastic sedimentary rock
Sandstone (Tumbled / Rounded)
Sedimentary Rock (Quartz arenite)
Shale
Shale (Consolidated fine-grained clay/silt)
Conglomerate Pebble (with Chert / Quartz)
Sedimentary Conglomerate / Breccia Pebble
Conglomerate
Lithified, poorly sorted gravel; composition is uncertain from the image
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartz-veined Sandstone Pebble
Quartzose Sandstone with Quartz Veinlets
Sandstone
Arenite (SiO2 principal)
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2)
Clear Quartz
SiO2 (Silicon Dioxide)
Banded gneiss
Gneiss, chiefly quartz–feldspar–mica
Hematite
Iron(III) oxide (Fe2O3)
Sandstone
Clastic Sedimentary Rock
Sandstone
Clastic Sedimentary Rock
Sandstone Concretion
Sedimentary Concretion (Quartz sand bound by mineral cement)
Sandstone
Clastic Sedimentary Rock
Sandstone
Arenite (SiO2 based)
Chert / Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone
Sandstone ( преимущественно SiO2 )
Tumbled milky quartz
Quartz (silicon dioxide, SiO₂)
Quartz-veined Sandstone
Quartzite-veined Arenite / SiO2 and quartz sand
Apatite
Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)
Red Sandstone Pebble
Sedimentary Quartz Arenite / Arkose
Sandstone (Quartzose)
Arenite (primarily SiO2)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Small weathered mineral/rock fragment
Indeterminate; possibly quartz-bearing feldspathic rock or calcite-rich specimen
Jasper
Silicon dioxide (Microcrystalline Quartz, SiO2)
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
Shale
Argillite / Shaly Mudstone
Pyrite
Iron Sulfide (FeS2)
Sandstone (likely Arkosic or Lithic)
Clastic Sedimentary Rock (SiO2 with accessory minerals)
Dendritic sandstone
Sandstone with Manganese Oxide dendrites
Turquoise
Turquoise, CuAl6(PO4)4(OH)8·4H2O
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Conglomerate
Conglomerate (a clastic sedimentary rock)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement