Fluorite (Green Fluorite)
Calcium Fluoride (CaF2)
mineral
Category
Mineral, Often Found In Metamorphic Rocks But Also In Sedimentary And Igneous Rocks
Browse mineral, often found in metamorphic rocks but also in sedimentary and igneous rocks specimens identified by the Rock Identifier community.
Amethyst
SiO2 (Silicon Dioxide) - Purple variety of Crystalline Quartz
mineral
Botryoidal Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Fuchsite (Green Muscovite in Quartz)
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)
metamorphic
Pyrite (Iron Pyrite)
Iron Disulfide (FeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (Microcrystalline Quartz, SiO2)
Mineral
Muscovite Mica
Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Mineral
Rose Quartz
Rose Quartz (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Labradorite
Labradorite (a variety of Plagioclase Feldspar), Na(AlSi3O8) to Ca(Al2Si2O8)
Mineral
Magnetic Hematite
Magnetized Hematite (an iron oxide mineral, Fe2O3, that has undergone magnetization)
Mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Nephrite Jade
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Mineral
Note: Image shows a biological specimen (Rat), not a rock. Representative geological equivalent: Galena (due to lead-grey colors in fur).
Galena (PbS)
mineral
Greenstone
Greenschist / Greenstone (contains epidote, chlorite, and actinolite)
metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Ruby
Corundum (Al2O3 with Chromium)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Granite
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky/Sugar variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Rough Quartz)
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcite (CaCO3)
Mineral
Clear Quartz Fragment
Quartz (Silicon Dioxide, SiO2)
mineral
Specular Hematite (on Schist/Matrix)
Hematite (Alpha-Fe2O3)
mineral
Ruby (Corundum)
Corundum (Aluminum Oxide) with chromium trace elements, Al2O3
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Gneiss (specifically Amphibolite Gneiss)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic