Quartz
Silicon Dioxide (SiO2)
mineral
Category
Igneous, Sedimentary, And Metamorphic Mix
Browse igneous, sedimentary, and metamorphic mix specimens identified by the Rock Identifier community.
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Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Mossy Rock
Mixed lithology rock with Bryophyta (moss)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pink Feldspar
Potassium Feldspar (Microcline or Orthoclase), KAlSi3O8
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Hematite
Hematite (Α-Fe2O3)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Fragment
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Educational Geologic Collection
Mixed Mineral and Rock Collection (Various compositions)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Gneiss
Metamorphic Gneiss
metamorphic
Gneiss and Igneous Rock Collection
Foliated Metamorphic Rock (Gneiss) / Igneous Rocks
metamorphic
Pyrite
Iron Pyrite (FeS2)
Mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartz (likely a form of massive or vein quartz)
Quartz (SiO₂)
Mineral
Pearl necklace
Pearl, primarily aragonite (CaCO₃) and conchiolin
gemstone
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Smoky/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron (III) Oxide (Fe2O3)
mineral
Quartz (Clear/Crystalline)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Yellow/Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral