Quartz
Quartz (SiO2)
Mineral
Category
Sedimentary Or Igneous
Browse sedimentary or igneous specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Igneous in the encyclopedia
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Pyrite
Iron Sulfide (FeS2)
mineral
Potassium Feldspar
K-Feldspar (Orthoclase/Microcline) KAlSi3O8
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Zircon
Zircon (Zirconium Silicate - ZrSiO4)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
mineral
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
mineral
Gneiss
Gneiss
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Carnelian (Red Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Chalcedony (Common Opal or Agate variant)
Silicon Dioxide (SiO₂)
mineral
Quartz (Citrine or Iron-Stained variety)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2) / Rock Crystal
mineral
Clear Quartz
Silicon dioxide (SiO2)
mineral
Clear Quartz / Rock Crystal
Silicon Dioxide (SiO2)
mineral
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Hematite (Tumbled)
Iron(III) oxide (Fe2O3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Clear Quartz
Silicon Dioxide (SiO2) / Rock Crystal
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Chalcedony (specifically Agate or Carnelian variety)
Cryptocrystalline Silica (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Gneiss
Gneiss (Metamorphic rock)
metamorphic
Druzy Quartz (part of a Geode)
Silicon Dioxide (SiO2)
mineral