Raw Fluorite
Calcium Fluoride (CaF2)
mineral
Category
Sedimentary Or Metamorphic Derived
Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Metamorphic Derived in the encyclopedia
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Milky quartz pebble
Quartz (silicon dioxide, SiO₂)
mineral
White quartz pebble (likely milky quartz)
Quartz, silicon dioxide (SiO₂)
mineral
Unakite
Altered Granite (Epidotized Feldspar with Quartz)
metamorphic
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Hematite
Hematite (Fe2O3)
Mineral
Serpentinized ultramafic rock (serpentinite)
Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible magnetite, chromite, talc, and carbonate
metamorphic
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Yellow Jasper
Chalcedony (SiO2 with iron oxide inclusions)
sedimentary
Yellow Jasper (Iron-stained Quartzite/Chert)
Silicon Dioxide (SiO2) with Hydrated Iron Oxide (Goehite/Limonite) inclusions
sedimentary
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
sedimentary
Brown Jasper (Chert)
Silicon Dioxide (SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
sedimentary
Red Jasper (Chert)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Aquamarine
Beryl (Be3Al2Si6O18 with Fe2+ impurities)
mineral
Green Aventurine
Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions
mineral
Red Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Schist
Mica Schist (Metamorphic Rock)
metamorphic
Glauconitic Sandstone
Glauconite-bearing Arenite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2
sedimentary
Coffee Bean Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Celestine (Celestite)
Celestine (Strontium Sulfate, SrSO4)
mineral
Flint Nodule
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) - Cryptocrystalline Chalcedony
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Red Jasper
Silicon Dioxide (SiO2) - Opaque Chalcedony
sedimentary
Iron-stained chert or jasper pebble
Microcrystalline quartz (SiO₂), likely hematite/goethite-bearing
sedimentary
Chalcedony (Agate)
Chalcedony (Cryptocrystalline Quartz, SiO2)
mineral
Jasper Breccia
Silicon Dioxide (SiO2) with impurities
sedimentary
Celestite
Celestine (Strontium Sulfate, SrSO4)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Polished septarian nodule
Calcite–aragonite cemented carbonate concretion, commonly with clay minerals and iron oxides
sedimentary
Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Jasper (Red Jasper)
Jasper (SiO2 - Silicon Dioxide with iron inclusions)
sedimentary
Jasper (Iron-stained)
Jasper (Silicon Dioxide, SiO₂ with Iron inclusions)
sedimentary
Red Jasper
Silicon dioxide (SiO2) with iron oxide (Fe2O3) inclusions
sedimentary/mineral
Hematite
Hematite (Fe2O3)
mineral
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2
mineral
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
mineral
Flint
SiO2 (Microcrystalline Quartz / Chert)
sedimentary