Igneous And Sedimentary

Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation

SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Magnetite (potentially Hematite)

Magnetite (Fe₃O₄)

Pyrite

Iron sulfide (FeS2)

Quartz Pebble

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (SiO2)

Blue Apatite

Ca5(PO4)3(F,Cl,OH)

Clear Quartz

Silicon Dioxide (SiO2)

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Quartz

Silicon Dioxide (SiO2)

Pyrite Nodules / Weathered Pyrite

Iron Sulfide (FeS2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Dalmation Stone

Peralkaline Rock (mixed silicate minerals)

Dalmation Stone (often called Dalmatian Jasper)

Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite

Magnetite

Magnetite (Fe3O4)

Magnetite (Octahedral Crystal)

Magnetite (Fe3O4)

Magnetite

Magnetite (Fe3O4)

Magnetite

Magnetite (Fe3O4)

Magnetite / Iron Ore

Magnetite (Fe3O4)

Quartz pebble

Silicon dioxide (SiO2)

Blue Apatite

Apatite (Ca5(PO4)3(F,Cl,OH))

Green Aventurine

SiO2

Pyrite in Quartz Matrix

Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)

Milky Quartz

Silicon dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Dalmatian Stone

Peralkaline rhyolite

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Pyrite

Iron Sulfide (FeS2)

Quartz with Inclusions

Silicon Dioxide (SiO2)

Galena

Lead Sulfide (PbS)

Clear Quartz (Faceted Crystal)

Silicon Dioxide (SiO2)

Blue Apatite

Ca5(PO4)3(F,Cl,OH)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Clear Quartz

Silicon dioxide (SiO2)

Magnetite (potentially Hematite-rich)

Magnetite (Fe3O4)

Magnetite Orthorthotropic Rock

Magnetite (Fe3O4)

Dalmatian Jasper

Peralkaline rhyolite with arfvedsonite inclusions