Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
Category
Browse metamorphic and mineral specimens identified by the Rock Identifier community.
Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
Clear Quartz
Silicon Dioxide (SiO2)
Aventurine (Green)
Aventurine Quartz (SiO2 + Fuchsite inclusions)
Yellow Calcite
Calcium Carbonate (CaCO3)
Quartz (Gravel Pebble)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold) in Matrix
Iron Sulfide (FeS2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Tanzanite
Blue Zoisite (Ca2Al3(SiO4)(Si2O7)O(OH))
White Quartz
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3)
Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
Ferruginous Quartz (Iron-stained Quartz)
Quartz with Iron Oxide inclusions (SiO2 with Fe2O3)
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Rough Ruby
Corundum (Al2O3) with Chromium traces
Rhodonite in Quartz Matrix
Rhodonite (Manganese Iron Magnesium Calcium Silicate - Mn,Fe,Mg,Ca)SiO3
Granitic Gneiss
Gneiss (containing Potassium Feldspar and Quartz)
Quartzite
Quartzite (primarily SiO2)
Quartz (Clear/White)
Silicon Dioxide (SiO2)
Slate
Slate (Foliated Metamorphic Rock)
Limonite (Iron Ore)
Limonite (an amorphous mixture of hydrated iron oxides, primarily FeO(OH)·nH2O)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milk Quartz (Vein Quartz)
Quartz (Silicon Dioxide, SiO2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Chlorite Included Quartz
Silicon Dioxide (SiO2) with Chlorite (Mg,Fe,Li)6AlSi3O10(OH)8
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Smoky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Quartz with Chalcopyrite and Pyrite
Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)
Rainbow Moonstone with Black Tourmaline
White Labradorite with Schorl (Na,Ca)(Al,Si)4O8
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Quartz (Grain/Fragment)
Silicon Dioxide (SiO2)
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)