Sedimentary And Igneous (Mixed)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Quartz (Smoky/Clear variety)

Silicon Dioxide (SiO2)

Magnetite

Magnetite (Fe3O4)

Schist (Chlorite or Mica-rich)

Chlorite Schist

Gneiss (Banded Gneiss)

Gneiss

Quartz Chip

Silicon Dioxide (SiO2)

Banded Gneiss

Gneiss

Clear Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky or Smoky)

Silicon Dioxide (SiO2)

Hematite

Iron(III) oxide (Fe2O3)

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Blue Apatite

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

Chalcedony (Grey/White Agate)

Silicon Dioxide (SiO₂)

Clear Quartz

Silicon Dioxide (SiO2)

Pink Granite Gneiss

Granitic Gneiss

Pyrite (on Quartz matrix)

Iron Disulfide (FeS2)

Magnetite

Magnetite (Fe3O4)

Yellow Quartz (Citrine or Yellow Jasper)

Silicon Dioxide (SiO2)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Pyrite (Fool's Gold) in Matrix

Iron Sulfide (FeS2)

Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Yellow Chalcedony (Agate/Jasper mix)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Grey River Stone (Gneiss/Schist mix)

Foliated Metamorphic Rock (variable mineral formula)

Healer's Gold (Pyrite and Magnetite in Schist)

Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist

Blue Calcite

Calcium Carbonate (CaCO3)

Quartz

Silicon dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Common Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Magnetite

Magnetite (Fe3O4)

Calcite

Calcium Carbonate (CaCO3)

Gneiss

Gneiss

Blue Apatite

Apatite-(CaF), Ca5(PO4)3F

Botryoidal Agate / Chalcedony Geode

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)