Metamorphic Or Sedimentary

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Quartz / Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (Milky or Common Quartz)

Silicon Dioxide (SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Common or Milky Quartz)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milky/Crystalline)

Quartz (Silicon Dioxide, SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Magnetite / Iron Ore

Magnetite (Fe3O4)

Clear Quartz Fragment

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Red Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Quartz (Milky/Clear Quartz)

Silicon Dioxide (SiO2)

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milky Variant)

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky/Iron-stained)

Silicon Dioxide (SiO2)

Quartz (Smoky or Clear variety with inclusions)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky or Clear variety)

Silicon Dioxide (SiO2)

Quartz (Milky or Grainy Variety)

Silicon Dioxide (SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Hematite

Iron(III) oxide (Fe2O3)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Veined Quartz

SiO2 (Silicon Dioxide)

Magnetite Orthorthotropic Rock

Magnetite (Fe3O4)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)