Polychrome Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Category
Sedimentary (Microcrystalline Quartz)
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
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Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Banded Agate (Yellow/Honey Agate)
Agate (Cryptocrystalline Quartz, SiO2)
mineral
Flesh-colored Quartz Mineral
SiO2 (Silicon Dioxide) with Iron Impurities
mineral
Jasper with Hematite (Red Jasper)
Silicon Dioxide with Iron Oxide (SiO2 and Fe2O3)
sedimentary (physico-chemical precipitate)
Red Jasper (possibly Carnelian)
Silicon Dioxide (SiO2) with Hematite impurities
mineral
Chert (Quartz Variety)
Silicon Dioxide (SiO2)
sedimentary
Chert / Flint (with quartz or calcite inclusion)
Silicon dioxide (SiO2)
sedimentary
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)
Synthetic/Anthropogenic Mineraloid
Jasper Cross
Silicon Dioxide (SiO2) with iron oxide impurities
sedimentary
Greenstone / Chert
Cryptocrystalline Quartz (SiO2) or Altered Basalt
sedimentary or metamorphic
Banded Chert (Wonderstone-style)
Silicon Dioxide (SiO2)
sedimentary
Chert (Iron-stained)
Chert (SiO2)
sedimentary
Chert (variant of Flint)
Chert (SiO2)
Sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Chert (Iron-stained)
Chert (SiO2)
sedimentary
Banded Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (SiO2 with Iron Oxide impurities)
sedimentary
Botryoidal Chalcedony (Agate/Chert Nodule)
Chalcedony (SiO2)
mineral
Brown Jasper
Jasper (a cryptocrystalline variety of Quartz, SiO2)
Mineral, specifically a variety of Quartz
Chert (Quartz Variety)
Chert (mostly SiO2 / Silicon Dioxide)
sedimentary
Hag Stone
Porous Quartz or Chert Pebble (SiO2)
sedimentary
Amber Flint (Chert)
Cryptocrystalline Quartz (Silicon Dioxide, SiO2)
sedimentary
Red Jasper
Quartz (SiO2) with iron oxide inclusions
sedimentary
Druzy Quartz on Agate/Chert
Silicon Dioxide (SiO2)
mineral
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Carnelian (Red Agate/Chalcedony)
Cryptocrystalline Quartz (SiO2) with Hematite impurities
mineral
Script Jasper
Cryptocrystalline Quartz (SiO2) with fossiliferous inclusions
sedimentary
Dragon Blood Jasper
Quartz (SiO2) with Epidote and Piedmontite inclusions
sedimentary
Chert with Quartz/Calcite Vein
Microcrystalline Silica (SiO2)
sedimentary
Quartzite River Stone
Metamorphosed Quartz-rich Sandstone (SiO2)
metamorphic
Fancy Jasper
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
mineral
Yellow Agate
Agate (Varietal form of Chalcedony/Quartz, SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Dalmatian Stone (Dalmation Jasper)
Aplite with Arfvedsonite inclusions
igneous
Carnelian
Carnelian (SiO2 - Silicon Dioxide)
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2) in a Sedimentary Host
mineral
Yellow Jasper
Cryptocrystalline Quartz (SiO2) with iron inclusions
sedimentary
Jasp-Agate
Cryptocrystalline Quartz (SiO2) with Iron Oxide inclusions
sedimentary
Red Chert (Jasper)
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
sedimentary
Chalcedony (Fire Agate or Carnelian variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Chert Nodules in Limestone
Microcrystalline Quartz (SiO2) within Calcium Carbonate (CaCO3)
sedimentary
Chert (or potentially massive Quartz/Quartzite)
SiO2 (Silicon Dioxide)
sedimentary (if chert) / metamorphic (if quartzite)