Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mixed (Sedimentary, Igneous, And Metamorphic)
Browse mixed (sedimentary, igneous, and metamorphic) specimens identified by the Rock Identifier community.
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Blue Sapphire
Corundum (Al2O3)
mineral
Smoky Quartz
Silicon Dioxide (SiO₂)
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Moonstone (Adularia)
Potassium aluminum silicate (KAlSi3O8)
mineral
Gneiss
Metamorphic Gneiss
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Black Tourmaline
Schorl (Sodium iron aluminum borosilicate), NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz (Tumbled)
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Red Garnet (likely Almandine or Pyrope)
Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Blue Apatite
Calcium phosphate mineral, Ca5(PO4)3(F,Cl,OH)
mineral
Ferruginous Slag (Iron Smelting Byproduct)
Fused Silicate Scoria (Amorphous mixture of FeO, SiO2, and CaO)
Antropogenic Glass / Mineraloid
Garnet-bearing granite or pegmatitic granitic rock
Coarse-grained granitoid, likely granite or pegmatite, composed mainly of quartz and feldspar with almandine/spessartine garnet and dark biotite or amphibole
igneous
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Green Aventurine (Carved)
Silicon Dioxide (Quartz variant) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O(OH)2)
mineral
Moonstone (Orthoclase Feldspar)
Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8)
mineral
Clear Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Yellow Quartz (Citrine or Yellow Jasper)
Silicon Dioxide (SiO2) with iron impurities
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with ferric iron impurities
mineral
Moonstone
Orthoclase and Albite (KAlSi3O8 / NaAlSi3O8)
mineral
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Magnetite (or Magnetic Iron Ore)
Magnetite (Fe3O4)
mineral
Quartz (Engineered Quartz Surface)
Silicon Dioxide (SiO2) based composite
mineral (man-made composite)
Garnet (specifically Almandine)
Almandine - Fe3Al2(SiO4)3
metamorphic
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Sulfide (FeS2)
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
Pyrite
Iron Sulfide (FeS2)
mineral