Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse metamorphic (localized) or sedimentary specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
Pyrite (locally known as Fool's Gold)
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Gold Mineral
Native Gold (Au)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Shale
Shale (comprised mostly of clay minerals and quartz)
Garnet (specifically Almandine)
Almandine - Fe3Al2(SiO4)3
Gneiss
Gneiss (Metamorphic rock)
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock
Quartz Mica Schist
Mica-Quartz Schist (Chemical: SiO2 + KAl2(AlSi3O10)(OH)2)
Marble
Recrystallized Calcite (CaCO3)
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
Blue Kyanite
Kyanite (Al2SiO5)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Pyrite
Pyrite (Iron Disulfide), FeS2
Marble
Recrystallized Calcite (CaCO3)
Pyrite-rich Ore
Pyrite (FeS2) with secondary minerals
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Rose Quartz variety)
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Specular Hematite (Iron Ore)
Iron(III) oxide (Fe2O3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Clear Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon dioxide (SiO2) with fuchsite inclusions
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine (Fe3Al2Si3O12)