Igneous, Sedimentary, And Metamorphic

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Zoisite with Ruby

Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)

Blue Apatite

Fluoroapatite (Ca5(PO4)3F)

Magnetite Orthorthotropic Rock

Magnetite (Fe3O4)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Pyrite

Iron Sulfide (FeS2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Magnetite / Iron Ore

Magnetite (Fe3O4)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Quartz Crystal Fragment

Silicon Dioxide (SiO2)

Magnetite

Magnetite (Iron(II,III) oxide, Fe3O4)

Pyrite

Iron Sulfide (FeS2)

Pyrite

Iron Sulfide (FeS2)

White Quartz (Milky Quartz)

Quartz (Silicon Dioxide - SiO2)

Magnetite (potentially Hematite-rich)

Magnetite (Fe3O4)

Milky Quartz in Matrix

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Graphite

Graphite (C)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Pyrite

Iron Pyrite (FeS₂)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Quartz (Drusy/Crystalline)

Silicon Dioxide (SiO2)

Citrine

SiO2 (Silicon Dioxide)

Pyrite

Iron Sulfide (FeS2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Orange Calcite

Calcium Carbonate (CaCO3)

Red Garnet (likely Almandine or Pyrope)

Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)

Pyrite

Iron Sulfide (FeS2)

Pyrite

Iron Pyrite (FeS2)

Quartz (likely a form of massive or vein quartz)

Quartz (SiO₂)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Quartz (Pale Rose or Milky Variety)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milky Variant)

Silicon Dioxide (SiO2)

Magnetite (Lodestone variety)

Magnetite (Fe3O4)