Chert (Flint)
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.
Learn about Mineral (Specifically A Cryptocrystalline Variety Of Quartz) in the encyclopedia
View all →
Chert (potentially Flint or Mudstone)
Microcrystalline Quartz (SiO2)
sedimentary
Banded Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (varieties: Flint, Jasper)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
mineral
Chert (Quartz Variety)
Chert (Silicon Dioxide, SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (Fe-rich)
sedimentary
Granite (Orthoclase rich)
Granite (composed primarily of Quartz and Potassium Feldspar KAlSi3O8)
igneous
Chert (Brown variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Green variety)
Chert (Silicon Dioxide, SiO2)
sedimentary
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
mineral
K2 Jasper (K2 Granite)
Azulite in Granite (Quartz + Feldspar + Biotite + Azurite)
igneous
Tumbled carnelian/chalcedony
Microcrystalline quartz (SiO₂), likely iron-colored chalcedony
gemstone
Wild Horse Magnesite
Magnesite with Hematite inclusions (MgCO3)
mineral
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Tiger's Eye (and Hematite/Jasper Matrix)
SiO2 (Pseudomorph of Quartz after Crocidolite) with Hematite/Magnetite
mineral
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with impurities
sedimentary
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Quartz Geode
Crystalline Silicon Dioxide (SiO2) within a geode structure
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (White Chert / Flint)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
sedimentary
Jasper (specifically Brecciated or Agated Jasper)
Silicon Dioxide (SiO2) - Chalcedony with impurities
Mineral / Sedimentary
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (White Variety)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
Mineral
African Turquoise
Jasper / Quartz matrix (Trade name: African Turquoise, chemically a form of microcrystalline quartz with various mineral inclusions)
gemstone
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Flint variety)
Microcrystalline context of Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Chert (or Flint)
Mocrocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral