Magnetite (Iron Ore)
Magnetite (Fe3O4)
Category
Browse mineral with metamorphic or sedimentary host specimens identified by the Rock Identifier community.
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Green Calcite
Calcium Carbonate (CaCO3)
Hematite
Iron(III) oxide (Fe2O3)
Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Turquoise
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
Quartz Crystal Point
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite
Pyrite (Iron Disulfide), FeS2
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Lace Agate
Silicon Dioxide (SiO₂), a variety of Chalcedony
Massive Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Sodalite
Sodalite [Na8(Al6Si6O24)Cl2]
Quartz (Milky/Smoky variety on matrix)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (specifically Milky or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Pink Fluorite
Fluorite (Calcium Fluoride) - CaF2
River Quartzite Siltstone
Quartz-rich Meta-siltstone (SiO2 dominated)
Biotite Mica
K(Mg, Fe)3AlSi3O10(F, OH)2
Moss Agate
Cryptocrystalline Quartz (SiO2 with manganese or iron oxide inclusions)
Quartz (Gray/Smoky Varieties)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
Turquoise and Hematite
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Banded Gneiss
Gneiss (Metamorphic Rock)
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Marble
Recrystallized Calcite (CaCO3) Rock
Turquoise
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Carnelian (Chalcedony variety)
SiO2 (Silicon Dioxide)
Gneiss (with Quartzite layers)
Gneissic Metamorphic Rock
Gneiss
Gneiss (High-grade metamorphic rock)
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
Gneiss
Gneiss
Clear Quartz
Silicon Dioxide (SiO2)