Aquamarine
Beryl (Be3Al2Si6O18 with Fe impurities)
mineral
Category
Mineral (Found In Igneous And Metamorphic Rocks)
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
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Gneiss (Hornblende/Biotite Gneiss)
Foliated Metamorphic Rock (Quartz-Feldspar-Amphibole/Mica matrix)
metamorphic
Epidotite (Unakite-related Epidote)
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
metamorphic
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Greenstone
Metabasalt / Chlorite-actinolite-epidote schist
metamorphic
Quartz Sand
Silicon Dioxide (SiO2)
sedimentary
Prehnite with Epidote and Quartz
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Gneiss
Gneiss
metamorphic
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Tourmaline (Multi-colored)
Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Citrine
Silicon Dioxide (SiO2)
gemstone
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Agate
Silicon Dioxide (SiO2), microcrystalline variety of quartz
sedimentary
Gneiss (Metamorphic Pebble)
Gneiss (SiO2-rich metamorphic rock)
metamorphic
Granitic Gneiss
Gneiss (quartz-feldspar-mica complex)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Carnelian Agate
Sardonyx / Banded Chalcedony (SiO2)
mineral
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Sodalite (Sunset Sodalite)
Sodalite: Na8(Al6Si6O24)Cl2
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Sapphire
Corundum (Al2O3)
mineral
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Epidote (likely Unakite component or Epidosite)
Epidote (Ca2(Al2Fe)(SiO4)(Si2O7)O(OH))
metamorphic
Wollastonite
Calcium Inosilicate, CaSiO3
mineral
Green Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Calcite
Calcite (Calcium Carbonate - CaCO3)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Schist
Metamorphic rock (Schist)
metamorphic
Clear Quartz (Faceted)
SiO2 - Silicon Dioxide
gemstone
Quartz (Smoky/Rock Crystal)
Silicon Dioxide (SiO2)
mineral