Jasper (Green Jasper / Moss Agate variety)
Silicon Dioxide (SiO2)
sedimentary
Category
Sedimentary (Microcrystalline Silicate)
Browse sedimentary (microcrystalline silicate) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Microcrystalline Silicate) in the encyclopedia
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Picture Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Chert with Asphaltum (or Tar)
Silica (SiO2) with natural Bitumen/Asphaltum
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Small brown quartz-rich pebble, possibly chert or jasper
Microcrystalline quartz (SiO₂), tentative
mineral
Quartz / Common Opal Transition
Silicon Dioxide (SiO2)
mineral
Green Chert (Jasper)
Microcrystalline Quartz (SiO2) with chlorite/epidote inclusions
sedimentary
Jasper with Hematite inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
sedimentary
Botryoidal Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Dalmation Stone
Peralkaline Rock (mixed silicate minerals)
igneous
Jasper
Silicon dioxide (SiO2)
sedimentary
Jasper
Jasper (Silicate mineral, SiO2)
sedimentary
Chert (Jasper variation)
Chert (Silicate mineral, SiO2)
sedimentary
Red Jasper
Jasper (Silicate Mineral - SiO2)
sedimentary
Mixed Gemstones and Minerals
Mixed Silicates and Oxides (Quartz/Amethyst, Aventurine, Sodalite, Chert, Jasper)
mineral
Black Jasper
Black Jasper (Silicate mineral - SiO2)
sedimentary
Chert (often called Flint when found in chalk/limestone)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Red Jasper
Jasper (Silicate Mineral), SiO2 with Fe2O3 inclusions
sedimentary
African Turquoise (Jasper)
Silicon Dioxide (SiO2) - Macro-crystalline Quartz with inclusions
sedimentary
Limonite (Ironstone)
Limonite (mixture of hydrated iron oxides, primarily Goethite α-FeO(OH))
mineral
Tumbled Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Red Jasper (River Smooth)
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with impurities such as Fe2O3
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Mixed polished gemstones and minerals
Likely agate/chalcedony (SiO₂), quartz, jasper, and possibly aventurine or obsidian; exact identification requires individual testing.
gemstone
Dalmatian Stone
Dalmatian Stone (formerly called Dalmatian Jasper)
igneous
Green Jasper (River Pebble)
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Green Jasper (Banded Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary
Red Jasper with Quartz
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Picture Jasper
Jasper (Silicon Dioxide, SiO2 with impurities)
sedimentary
Green Jasper
Quartz (Silicon Dioxide, SiO2) with iron silicate inclusions
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron Oxide inclusions
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Leopard Skin Jasper
Silicon Dioxide (SiO2) with iron and manganese inclusions
sedimentary
Chert (Jasper-like Silicate)
Microcrystalline Quartz (SiO2)
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Red Jasper with Quartz Veins
Microcrystalline Quartz (SiO2) with Hematite impurities
sedimentary
Chert (Jasper-like Silicate)
Microcrystalline quartz (SiO2)
sedimentary
Flint (Chert variant)
Microcrystalline Quartz (SiO2)
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Jasper-Agate Conglomerate (Potentially Puddingstone)
Jasper-cemented Silicate Aggregate (SiO2)
sedimentary