Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse igneous or sedimentary specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite (on Shale/Matrix)
Iron Disulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Pyrite in Quartzite/Graphite Matrix
Iron Sulfide (FeS2)
Chalcedony (Tumbled)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Epidote-bearing Granite (Unakite-like)
Epidotized Granite
Quartz (likely a form of massive or vein quartz)
Quartz (SiO₂)
Quartz (likely milky/rose quartz variety)
Quartz (SiO2 - Silicon Dioxide)
Dalmatian Stone
Dalmatian Jasper (Aplitic Perthite)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Rhodochrosite
Manganese carbonate (MnCO3)
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Quartz (Milk Quartz / Massive Quartz)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Zoisite with Ruby (Anyolite)
Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)
Orange Calcite
Calcium Carbonate (CaCO3)