Dalmatian Stone (Dalmatian Jasper)
Dalmatian Stone (A variety of Perthite / Aplite)
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Dalmatian Stone (Dalmatian Jasper)
Dalmatian Stone (A variety of Perthite / Aplite)
Chert
Siliceous sedimentary rock (predominantly microcrystalline quartz, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Heart or Arrowhead Shape
Silicon Dioxide (SiO2)
Clear Quartz Cluster
Quartz (Silicon Dioxide, SiO2)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Quartz with Hematite Inclusions
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz Vein with Matrix
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Diorite
Phaneritic Intrusive Igneous Rock (composed of Plagioclase feldspar, Hornblende, and Biotite)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Smoky Quartz with Inclusions
Silicon Dioxide (SiO2)
Banded Agate (specifically Red Agate or Sardonyx variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Quartz with Mica inclusions (Pegmatite)
Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions
Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Green variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flinty variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Chert (Cryptocrystalline Quartz, SiO2)
Chert (specifically Flint)
Silicon dioxide (SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper varieties)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Red Jasper)
Microcrystalline Quartz (SiO2)
Chert (Jasper influence)
Microcrystalline Quartz (SiO2)
Chert (Chalcedony/Flint)
Microcrystalline Quartz (SiO2)
Quartzite
Quartzite (SiO2-dominant rock)
Moss Agate
Moss Agate (a variety of Chalcedony, SiO ₂)
Demantoid Garnet on Matrix
Demantoid (variety of Andradite Garnet) - Ca3(Fe3+)2(SiO4)3
Chert (Jasper or Flint variant)
Chert (composed of microcrystalline quartz, SiO2)
Coarse-grained Quartz with Feldspar inclusions
Crystalline Quartz (SiO2) with Orthoclase/Plagioclase Feldspar inclusions
Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
Quartzite (River Stone)
SiO2 (Silicon Dioxide)
Chert (White/Gray variety)
Chert (SiO2)
Cobaltian Calcite
Cobalt-bearing Calcite (Ca,Co)CO3