Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
sedimentary
Category
Man Made Glass (Often Grouped With Minerals In Lapidary)
Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.
Breciated Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Chert (specifically Red Chert / Jasper nodule)
Silicon dioxide (SiO2)
sedimentary
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron inclusions
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartzite (Iron-Stained)
Quartzite (SiO2 with Fe2O3 inclusions)
metamorphic
Jasper and Quartzite mix
Silicon Dioxide (SiO2) with impurities
sedimentary or metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Jasper (specifically Chert/Ironstone)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
sedimentary
Yellow Quartz (Chert/Chalcedony)
Silicon Dioxide (SiO2) with iron inclusions
mineral
Sandstone (likely a river or beach pebble)
Sandstone (a clastic sedimentary rock)
Sedimentary Rock
Banded Agate
Cryptocrystalline Silica (SiO2)
mineral
Synthetic Blue Aura Quartz
Silicon Dioxide (SiO2) with Metallic Infusion
mineral (synthetic/man-made coating)
Pink Tourmaline in Quartz Matrix
Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4) with Quartz (SiO2)
mineral
Chert
Chert (microcrystalline quartz)
Sedimentary
Red Jasper with Quartz Veining
Jasper (Silicon Dioxide, SiO2) with Quartz (SiO2) inclusions
sedimentary
Chert (specifically Flint)
Silicon dioxide (SiO2)
sedimentary
Chert (Jasper variety)
Cryptocrystalline quartz (SiO2)
sedimentary
Quartz with Schist Inclusion
Crystalline Silicon Dioxide (SiO2) with Muscovite/Biotite Schist
metamorphic
Grey Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Botryoidal Agate / Chalcedony Geode
Silicon Dioxide (SiO2)
mineral
Green Chert
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper (possibly Petrified Wood)
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary (secondary formation)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Zebra Jasper
Opaque microcrystalline Quartz (SiO2) with impurities
sedimentary
United States Quarter Dollar
Cupronickel Clad Alloy (75% Copper, 25% Nickel over a 100% Copper core)
Metal / Man-made mineral-like object
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Jasper with Chalcedony
Silicon Dioxide (SiO2)
mineral
Chert (with Quartz veins)
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite
Metamorphic Quartzite (predominantly SiO2)
metamorphic
Quartz (Milky or Yellow variety)
Silicon Dioxide (SiO2)
mineral
Chert (Jasper-bearing)
Chert (Silicon Dioxide, SiO2)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Chalcedony (specifically Agate or Carnelian)
Silicon Dioxide (SiO2)
mineral
Chalcedony (Agate/Chert)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Quartz Geode
Crystalline Silicon Dioxide (SiO2)
mineral