Quartz (Milky/Rose Quartz variety)
Silicon Dioxide (SiO2)
mineral
Category
Igneous Or Sedimentary
Browse igneous or sedimentary specimens identified by the Rock Identifier community.
Hematite
Iron(III) oxide (Fe2O3)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Graphite
Graphite (Native Carbon), Formula: C
Metamorphic
Hematite
Iron(III) oxide (Fe2O3)
mineral
Gneiss
Gneiss (Metamorphic rock composed primarily of quartz, feldspar, and mica)
metamorphic
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
mineral
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
mineral
Yellow Quartz (Citrine/Yellow Jasper mix)
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
Quartz (Milky/Iron-stained)
Silicon Dioxide (SiO2)
mineral
Pumice or Tufa/Travertine
Pumice (if igneous) or Calcareous Tufa (if sedimentary)
igneous/sedimentary
Magnetite (Lodestone)
Magnetite (Fe3O4)
mineral
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Native Gold
Native Gold (Au)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Yellow Chalcedony (common opal or chert variant)
Silicon Dioxide (SiO2)
sedimentary (mineraloid/microcrystalline quartz)
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Red Garnet
Almandine Garnet (Fe3Al2(SiO4)3)
mineral