Yellow Jasper
Chalcedony (SiO2) with Goethite/Iron oxide inclusions
sedimentary
Category
Mineral (Specifically A Variety Of Chalcedony, Which Is Microcrystalline Quartz)
Browse mineral (specifically a variety of chalcedony, which is microcrystalline quartz) specimens identified by the Rock Identifier community.
Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Botryoidal Chalcedony (Druzy Quartz)
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Picture Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Ocean Jasper
Silicon dioxide with impurities (SiO2 + impurities)
sedimentary
Jasper River Pebble
Silicon Dioxide (SiO2) with iron oxide impurities
sedimentary
Pink Granite
Granite (Alkali-feldspar granite)
igneous
Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO2)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
sedimentary
Red Jasper
Jasper (Silicon Dioxide) - SiO2
sedimentary/mineral
Blue Lace Agate
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Mineral
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
mineral
Red Jasper
Silicon Dioxide with Iron Oxide (SiO2)
sedimentary
Chert (and Jasper/Chalcedony mixture)
Microcrystalline Quartz (SiO2)
sedimentary
Jasper (Iron-rich Chalcedony)
Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)
Sedimentary / Metamorphic
Rose Quartz
Silicon dioxide with traces of titanium, iron, or manganese (SiO2)
mineral
Chert
Chert (microcrystalline quartz)
Sedimentary
Mookaite Jasper
Radiolarite (Silicon Dioxide, SiO2)
sedimentary
Jasper and Agate (Polished Pebble)
Chalcedony (SiO2 with impurities)
Sedimentary
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
mineral
Green Jasper with Quartz veins
Jasper (Silicon Dioxide, SiO2)
sedimentary
Banded Chert / Banded Jasper (likely a variety of Chert/Chalcedony)
Chert (microcrystalline quartz)
Metamorphic Rock
River Chalcedony / Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Breciated Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Dalmatian Jasper (or Dalmatian Stone)
Dalmatian Stone (A peralkaline felsite composed of feldspar, quartz, and sodic amphibole)
igneous
Jasper or Chert
Silicon Dioxide (SiO2)
sedimentary
Chalcedony Nodule in Matrix
Silicon Dioxide (SiO2)
mineral
Pink Granite
Granite (Phaneritic igneous rock rich in Alkali Feldspar and Quartz)
igneous
Quartz Geode
Silicon Dioxide (SiO2)
Mineral/Sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Milky Quartz with Inclusions
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with inclusions)
metamorphic
Botryoidal Chalcedony (Agate/Chert Nodule)
Chalcedony (SiO2)
mineral