Limonite-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide (FeO(OH)·nH2O) staining
mineral
Category
Mixed (Igneous, Sedimentary, Metamorphic, And Minerals)
Browse mixed (igneous, sedimentary, metamorphic, and minerals) specimens identified by the Rock Identifier community.
Quartz (Milky/Rose Quartz variety)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Biotite Schist
Biotite Schist
metamorphic
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (locally known as Fool's Gold)
Iron Sulfide (FeS2)
mineral
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Amethyst (Chevron or Banded Amethyst)
Silicon Dioxide (SiO2) with Fe3+ impurities
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Greenschist / Greenstone
Greenschist facies metabasite
metamorphic
Red Garnet
Almandine and Pyrope (Silicate minerals: Fe3Al2(SiO4)3 and Mg3Al2(SiO4)3)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Mica-rich Schist fragment
Mica Schist
metamorphic
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Grey River Stone (Gneiss/Schist mix)
Foliated Metamorphic Rock (variable mineral formula)
metamorphic
Banded River Rock / Gneiss (highly weathered)
Gneiss
Metamorphic rock
Pyrite
Iron Pyrite (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Magnetite
Magnetite (Fe3O4)
Mineral
Potassium Feldspar (Orthoclase)
KAlSi3O8
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Pyrite in Matrix (likely Quartz or Schist matrix)
Iron Sulfide (FeS2)
mineral
Greenstone
Metabasalt / Chlorite-Epidote Schist
metamorphic
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Biotite Mica
K(Mg, Fe)3AlSi3O10(F, OH)2
mineral
Chlorite Included Quartz
Silicon Dioxide (SiO2) with Chlorite (Mg,Fe,Li)6AlSi3O10(OH)8
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Rainbow Moonstone with Black Tourmaline
White Labradorite with Schorl (Na,Ca)(Al,Si)4O8
mineral