Fluorite
Calcium Fluoride (CaF2)
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.
Learn about Sedimentary (Secondary Classification For A Weathered Mineral Specimen) in the encyclopedia
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Wonderstone Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Brimstone (Native Sulfur)
Native Sulfur (S)
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt (with secondary mineral infilling)
igneous
Pyrite Cubes in Matrix
Iron Disulfide (FeS2) in Host Matrix
mineral side rock
Quartzite with inclusions
Quartzite (primarily SiO2)
metamorphic
Quartz / Common Opal Transition
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Chalcedony (Desert Rose or Botryoidal Chalcedony)
Silicon Dioxide (SiO2)
mineral
Chert (specifically a stream-worn Chert Nodule)
Sedimentary Cryptocrystalline Quartz (SiO2)
sedimentary
Grey River Stone (Quartz-rich Quartzite/Siltstone)
Quartzite / Meta-siltstone (primarily SiO2)
Metamorphic (low-grade)
Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO2)
mineral
Quartz Druze (Crystalline Quartz)
Silicon Dioxide (SiO2)
mineral
Sandstone (Red)
Arenite (SiO2 with Fe2O3)
sedimentary
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Jasper (Petrified Wood variant)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Septarian Nodule
Septarian Concretion
sedimentary
Blue and White Quartz
Crystalline Silicon Dioxide with inclusions (SiO2)
mineral
Sandstone (River Pebble)
Clastic Sedimentary Rock (primarily Quartz)
sedimentary
Peacock Ore
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with iridescent tarnish
mineral
Shale (Beach-worn)
Laminated Pelite (primarily clay minerals and quartz)
sedimentary
Sandstone (Pebble/Cobble)
Arenite (primarily SiO2)
sedimentary
Pyrite in Matrix (Quartz/Schist)
Iron Sulfide (FeS2)
mineral
River Pebble (Quartzite or Chert)
Silicon Dioxide (SiO2)
metamorphic or sedimentary
Ferruginous Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions (Limonite/Goethite)
mineral
Red Jasper (with Quartz inclusions)
Silicon Dioxide (SiO2)
sedimentary (physico-chemical)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
sedimentary
Chalcedony with Matrix
Silicon Dioxide (SiO2)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral / Sedimentary occurrence
Sapphire (Corundum variety)
Sapphire (Al₂O₃)
Mineral
Banded Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Ferruginous Quartz
Quartz with Iron Oxide inclusions (SiO2 + Fe2O3)
mineral
Chert (Flint) Nodule
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Gray Limestone
Carbonate rock (CaCO3)
sedimentary
Chert Nodule
Chert (Cryptocrystalline variety of Quartz, SiO2)
sedimentary
Chert (varietal Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (specifically Black Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
River Pebble (Quartz/Sandstone)
Silicon Dioxide (SiO2) Mix
sedimentary
Chert (within Limestone)
Silicon Dioxide (SiO2) in Calcium Carbonate (CaCO3) matrix
sedimentary