Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Category
Sedimentary (Secondary Classification For A Weathered Mineral Specimen)
Browse sedimentary (secondary classification for a weathered mineral specimen) specimens identified by the Rock Identifier community.
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Chalcedony on Matrix
Silicon Dioxide (SiO2)
mineral
Sand Grain (Quartz)
Silicon Dioxide (SiO2)
sedimentary
Pyrite
Iron Disulfide (FeS2)
mineral
Moqui Marble (Iron-Oxide Concretion)
Iron Oxide Concretion (Fe2O3)
sedimentary
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Sandstone with Iron Oxide
Arenite (SiO2 with Fe2O3 inclusions)
sedimentary
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Precious Opal
Hydrated Silica (SiO2·nH2O)
mineral
Chert (specifically Flint)
Microcrystalline quartz (SiO2)
sedimentary
Granite Cobble
Granite (Phaneritic igneous rock)
igneous
Chert (Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Yellow Agate
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz Geode (partially filled/solid)
Silicon Dioxide (SiO2)
sedimentary
Calcite in Matrix
Calcium Carbonate (CaCO3)
mineral
Vanadinite on Barite
Pb5(VO4)3Cl (Vanadinite) with BaSO4 (Barite)
mineral
Hematite
Hematite (Fe2O3)
Mineral
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
sedimentary
Dalmatian Stone (Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
White Marble
Recrystallized Calcite (CaCO3)
metamorphic
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
mineral
Diamond (in jewelry)
Carbon (C)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Chert (Beach Pebble)
Silicon Dioxide (SiO2)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Agatized Fossil (Druzy Agate)
Silicon Dioxide (SiO2) replacing organic matter
sedimentary
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Quartz / Quartzite
Silicon Dioxide (SiO2)
Mineral / Metamorphic
Dalmatian Stone (commonly Dyed)
Dalmatian Jasper (Peralkaline igneous rock)
igneous
Calcite on Limestone
Calcium Carbonate (CaCO3) on Sedimentary Rock
mineral
Agate (specifically Waterline or Onyx-type Agate)
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Chalcedony (Agate/Carnelian variant)
Cryptocrystalline Silica (SiO2)
mineral
Chalcedony (Botryoidal/Tumbled Agate)
Silicon Dioxide (SiO2)
mineral
Banded Calcite (Mexican Onyx)
Calcite (CaCO3)
mineral
Chalcedony (Smoky Quartz or Agate nodule fragment)
Silicon Dioxide (SiO2)
mineral
Agate (Carnelian-like)
Chalcedony (Silicon Dioxide, SiO2)
mineral
Chalcedony Geode Fragment
Microcrystalline Quartz (SiO2)
mineral
Gold Flakes (Placer Gold)
Gold (Au)
mineral