Sedimentary And Igneous

Blue Calcite

Calcium Carbonate (CaCO3)

Quartz with inclusions

SiO2

Green Mica Schist

Mica Schist (Fuchsite or Chlorite variety)

Gneiss

Gneiss (Metamorphic high-grade)

Clear Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Epidote

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Honey Calcite

Calcium Carbonate (CaCO3)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milk or Clear Variety)

Silicon Dioxide (SiO2)

Milky Quartz Pebbles

Silicon Dioxide (SiO2)

Quartz (White/Milky)

Silicon Dioxide (SiO2)

Banded Agate

Cryptocrystalline Quartz (SiO2)

Magnetite / Ironstone Pebble

Magnetite (Fe3O4)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Pyrite (Fools Gold)

Iron Disulfide (FeS2)

Zoisite with Ruby (Anyolite)

Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Rhodochrosite

Manganese carbonate (MnCO3)

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Collection of Minerals and Ores

Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)

Blue Calcite

Calcium Carbonate (CaCO3)

Yellow Calcite

Calcium Carbonate (CaCO3)

Small white mineral fragment

Indeterminate; possibly quartz, calcite, or feldspar

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

White Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Epidote-bearing Rock / Epidote Inclusion

Epidote (Ca2(Al, Fe)3(SiO4)3(OH)) in host rock

Quartz pebble

Quartz (Silicon dioxide, SiO2)

Hematite

Hematite (Fe2O3)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)