Jasper with Quartz Veining
Silicon Dioxide (SiO2) with impurities
sedimentary
Category
Mineral (Specifically A Variety Of Quartz)
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Red Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within a metamorphic matrix
metamorphic
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Sedimentary (formed from silica deposits)
Chert (Quartz Variety)
Chert (Silicon Dioxide, SiO2)
sedimentary
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
mineral
Moonstone (Blue Flash)
Potassium Aluminum Silicate (KAlSi3O8), a variety of Orthoclase Feldspar
mineral
Moonstone (bead form)
Potassium Aluminum Silicate (KAlSi3O8) - a variety of Orthoclase Feldspar
Mineral
Jasper Agate (Chalcedony)
Silicon Dioxide (SiO2)
sedimentary
Satin Spar (Selenite)
Gypsum (CaSO4·2H2O)
mineral
Chert (Brown variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Green variety)
Chert (Silicon Dioxide, SiO2)
sedimentary
Puddingstone
Conglomerate
Sedimentary
Sandstone
Sandstone (clastic sedimentary rock, composed predominantly of sand-sized minerals or rock fragments)
Sedimentary Rock
Gold Ore (in Quartz/Sulfide matrix)
Native Gold (Au) in Quartz (SiO2) and Pyrite (FeS2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mineral (Variety of Quartz)
Basalt (Vesicular)
Extrusive mafic igneous rock; primarily (Mg, Fe)2SiO4 (Olivine), CaAl2Si2O8 (Plagioclase Feldspar), and Pyroxene
igneous
Quartzite
Quartzite (SiO2)
metamorphic
Leopard Skin Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Chert (often referred to as 'Jasper' when red)
Chert (microcrystalline quartz, SiO₂)
Sedimentary rock
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Jasper (Red/Brown Variety)
Jasper (Microcrystalline Quartz, SiO2)
sedimentary
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
mineral
Chert (varietal: Jasper or Flint likely, but definitive identification is difficult from image)
SiO₂ (silicon dioxide)
Sedimentary
Chert / Red Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Ferruginous Quartzite (Red Chert/Jasper-like)
Metamorphosed Quartzite with Hematite inclusions (SiO2 + Fe2O3)
metamorphic
White Quartz Sphere
Silicon Dioxide (SiO2)
mineral
Zebra Jasper (usually a trade name for Serpentine or Basalt blend)
Antigorite/Chrysotile (Serpentine family) - Mg3Si2O5(OH)4
metamorphic
Red Jasper
SiO2 (Silicon Dioxide with Iron inclusions)
sedimentary
Schist
Schist (various mineralogical compositions including mica, chlorite, talc, etc.)
Metamorphic
Included Quartz (Garden Quartz / Lodolite)
Quartz (SiO2) with various mineral inclusions
Mineral
Aventurine (likely Green Aventurine)
Silicon Dioxide (SiO2) with various inclusions
Mineral, variety of Quartz
Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Gneiss (specifically Biotite Gneiss)
Gneiss (high-grade metamorphic rock primarily composed of Silicates)
metamorphic
Demantoid Garnet on Matrix
Demantoid (variety of Andradite Garnet) - Ca3(Fe3+)2(SiO4)3
mineral
Chert (Nodular or Massive Variety)
Cryptocrystalline Quartz (SiO2)
sedimentary