African Turquoise (Jasper)
Silicon Dioxide (SiO2) - Macro-crystalline Quartz with inclusions
sedimentary
Category
Sedimentary (Microcrystalline Silicate)
Browse sedimentary (microcrystalline silicate) specimens identified by the Rock Identifier community.
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Red Jasper with Quartz
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Mixed polished gemstones and minerals
Likely agate/chalcedony (SiO₂), quartz, jasper, and possibly aventurine or obsidian; exact identification requires individual testing.
gemstone
Chert (Jasper-like Silicate)
Microcrystalline Quartz (SiO2)
sedimentary
Mixed Gemstones and Minerals
Mixed Silicates and Oxides (Quartz/Amethyst, Aventurine, Sodalite, Chert, Jasper)
mineral
Chert (Jasper-like Silicate)
Microcrystalline quartz (SiO2)
sedimentary
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with impurities such as Fe2O3
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
sedimentary
Green Jasper (Banded Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Picture Jasper
Jasper (Silicon Dioxide, SiO2 with impurities)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron Oxide inclusions
sedimentary
Jasper-Agate Conglomerate (Potentially Puddingstone)
Jasper-cemented Silicate Aggregate (SiO2)
sedimentary
Gravel or Pebble
Clastic Sedimentary Grain (typically composed of Quartz or Silicate minerals)
sedimentary
Dalmatian Stone
Dalmatian Stone (formerly called Dalmatian Jasper)
igneous
Raw Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Leopard Skin Jasper
Silicon Dioxide (SiO2) with iron and manganese inclusions
sedimentary
Limestone (Weathered)
Sedimentary carbonate rock, primarily calcium carbonate (CaCO3)
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Flint (Chert variant)
Microcrystalline Quartz (SiO2)
sedimentary
Shale
Shale (clay-sized silicate minerals)
sedimentary
Red Jasper with Quartz Veins
Microcrystalline Quartz (SiO2) with Hematite impurities
sedimentary
Jasper Marble
Silicon Dioxide (SiO2) with Impurities
sedimentary
Red Ochre (Hematite-rich Clay)
Limonitic/Hematitic Claystone (Fe2O3 with clay minerals)
Sedimentary
Picture Jasper
Silicon dioxide (SiO2)
sedimentary
Riverstone Jasper (Chert variant)
Silicon Dioxide (SiO2)
sedimentary
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and clay inclusions
sedimentary
Green Jasper
Silicon dioxide (SiO2)
sedimentary
Green Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Bumblebee Jasper
Anhydrous Calcium Carbonate with Sulfur and Arsenic (Orpiment/Realgar)
sedimentary
Green Jasper with Agate Banding
Silicon Dioxide (SiO2) with impurities of ferrous silicate or chlorite
sedimentary (chemical/biological origin)
Green Jasper
Jasper (variety of Microcrystalline Quartz, SiO2)
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Picture Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Chert (Jasper-like Silicate)
Silicon Dioxide (SiO2)
sedimentary
Green Chert (Jasper / Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert Nodules (Limonitic Chert)
Cryptocrystalline Quartz (SiO2) with Hydrated Iron Oxides
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
Red Jasper (Silicate Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary