Chert (specifically Flint or Jasper variant)
Microcrystalline quartz (SiO2)
sedimentary
Category
Mineral (Specifically A Cryptocrystalline Variety Of Quartz)
Browse mineral (specifically a cryptocrystalline variety of quartz) specimens identified by the Rock Identifier community.
Unakite
Epidote-Feldspar rock (specifically, a variety of granite)
Metamorphic rock
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Green Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Citrine
Crystalline Quartz (SiO2) with iron impurities
mineral
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
mineral
Green Apophyllite
Fluorapophyllite-(K), KCa4(Si8O20)(F,OH)·8H2O
mineral
Chert (Jasper)
Chert / Microcrystalline Quartz (SiO2)
sedimentary
Pink Granite
Granite (Felsic Plutonic Rock)
igneous
Chert (specifically Gray Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Banded Agate
Sedimentary Cryptocrystalline Quartz (SiO2)
mineral
Agate (specifically Moss or Plume Agate nodding toward Agatized Wood)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz (Chalcedony)
mineral
Amazonite
Amazonite (KAlSi3O8)
mineral
Banded Agate (likely Carnelian Agate or Sardonyx)
Agate is a common name for a microcrystalline variety of Quartz (SiO₂), specifically a form of Chalcedony.
Sedimentary Rock (technically a variety of Chalcedony)
Agate (Carnelian-Blue Agate mix)
Silicon Dioxide (SiO2)
mineral
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Mineral
Chert (specifically a fragment with Desert Varnish)
Microcrystalline quartz (SiO2)
sedimentary
Chert (specifically a stream-worn Chert Nodule)
Sedimentary Cryptocrystalline Quartz (SiO2)
sedimentary
Chalcedony (Quartz Var.)
Silicon Dioxide (SiO2)
mineral
Agate Nodule (partially vuggy Quartz)
Silicon Dioxide (SiO2)
Mineral/Sedimentary
Banded Agate
Agate (Cryptocrystalline Quartz, SiO2)
mineral
Banded Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert (specifically Flint or Common Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (specifically White Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (specifically Black Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (specifically Flint or Common Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (specifically White Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (specifically Blue or Grey Chert/Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert (specifically Flint or Common Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Blue Chalcedony (Tumbled)
Silicon Dioxide (SiO2)
mineral
Red Chert (Jasper)
Chert / Microcrystalline Quartz (SiO2)
sedimentary
Agate (Chalcedony Variation)
Silicon Dioxide (SiO2)
mineral
Agate
Silicon Dioxide (SiO2)
mineral
Rainbow Moonstone
White Labradorite (formula: (Na,Ca)(Al,Si)4O8)
mineral