Jasper and Agate (Polished Pebble)
Chalcedony (SiO2 with impurities)
Sedimentary
Category
Mineralological Variety
Browse mineralological variety specimens identified by the Rock Identifier community.
Learn about Mineralological Variety in the encyclopedia
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Agate
SiO2
mineral
Jasper (Cream/Yellow variety)
Silicon dioxide (SiO2)
sedimentary
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with various inclusions
mineral
Jasper
Silicon dioxide (SiO2) with iron oxide impurities
sedimentary
Rainbow Moonstone with Black Tourmaline
White Labradorite with Schorl (Na,Ca)(Al,Si)4O8
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Black Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Agate (Carnelian / Chalcedony)
Silicon Dioxide (SiO2)
mineral
Porphyry (Flower Stone)
Porphyry (Andesite or Basalt matrix)
igneous
Corundum (Sapphire variant)
Aluminum Oxide (Al2O3)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Agate and Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Crazy Lace Agate
Silicon Dioxide (SiO2) with iron and aluminum inclusions
sedimentary mineral
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Tourmalinated Quartz
SiO2 with NaFe3+3Al6(BO3)3Si6O18(OH)4 inclusions
Mineral
Agate
SiO2 (Silicon dioxide, cryptocrystalline quartz)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Chert / Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Satin Spar
Fibrous Gypsum (CaSO4·2H2O)
mineral
Tumbled jasper (likely picture jasper or iron-rich jasper)
Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides
sedimentary
Riverstone Jasper (Chalcedony)
Silicon Dioxide (SiO2)
sedimentary
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Agate
Agate (Chalcedony), SiO2
Mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Jasper (Banded Argillite/Chert mix)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Banded Calcite (often commercially sold as Mexican Onyx or Green Onyx)
Calcium Carbonate (CaCO3)
sedimentary
Rainbow Moonstone with Black Tourmaline
White Labradorite (Feldspar variety, (Na,Ca)(Al,Si)4O8) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Agate
Silicon dioxide (SiO2)
gemstone
Blue Lace Agate (or similar Chalcedony)
SiO2 (Silicon Dioxide)
mineral
Amber-colored Jasper
Silicon Dioxide (SiO2)
sedimentary
Coarse-grained Granite
Granitoid (Felsic Plutonic Rock)
igneous
Chert (Jasper/Mudstone)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon dioxide (SiO2)
mineral
Shale
Argillite / Shaly Mudstone
sedimentary
Chert (Quartz Variety)
Silicon Dioxide (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Mixed Quartz and River Pebbles (Stone Collection)
Mixed assortment containing mainly Silicon Dioxide (SiO2)
igneous, sedimentary, metamorphic, and mineral
Barite
Barium sulfate (BaSO4)
mineral
Pyrite or Chalcopyrite
Iron sulfide (FeS2) or Copper iron sulfide (CuFeS2)
mineral
Fancy Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary