Mineral (Pseudomorph)

Limonite / Iron Oxide Concretion

FeO(OH)·nH2O (Hydrated iron oxide)

Shale

Shale (clastic sedimentary rock)

Quartz Vein in Hematitic Siltstone

Hydrothermal Quartz (SiO2) in Ferriferous Matrix

Native Copper

Copper (Cu)

Yellow Ochre / Limonite

Hydrated ferric oxide (FeO(OH)·nH2O)

Greenschist

Chlorite Schist (Greenschist Facies)

Copper Ore

Cupriferous Rock / Mixed Mineral Matrix

Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)

Calcite

Fluorite (Rainbow, Purple-Blue Tumbled)

Calcium Fluoride (CaF2)

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Copper Ore / Altered Granodiorite

Cupriferous rock with silicate gangue

Calcite

Calcium Carbonate (CaCO3)

Malachite-bearing Rock

Cu2CO3(OH)2

Graphite

Carbon (C)

Galena

Lead Sulfide (PbS)

Muscovite Mica

KAl2(AlSi3O10)(OH)2

Chrysotile Asbestos

Chrysotile (Mg3Si2O5(OH)4)

Epidote

Epidote (Ca2(Al, Fe)3(SiO4)3(OH))

Muscovite Mica

KAl2(AlSi3O10)(OH)2

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Epidote

Epidote (Ca2(Al, Fe)3(SiO4)3(OH))

K-Feldspar (Potassium Feldspar)

Orthoclase / Microcline (KAlSi3O8)

Microcline Feldspar

KAlSi3O8

Graphite

Graphite (Carbon, C)

Pyrite

Iron Sulfide (FeS2)

Limonite

FeO(OH)·nH2O

Muscovite

Muscovite (KAl2(AlSi3O10)(OH)2)

Rhodochrosite

Manganese Carbonate (MnCO3)

Marble

Recrystallized Calcite (CaCO3)

Sandstone with Secondary Mineral Encrustation

Arenite with Silica/Calcite deposits (SiO2 or CaCO3)

Specular Hematite

Hematite (Fe2O3)

Ironstone / Hematite

Iron(III) oxide (Fe2O3)

Celestite

Celestine (SrSO4)

Graphite

Graphite (Carbon, C)

Galena with Pyrite

Lead Sulfide (PbS) associated with Iron Sulfide (FeS2)

Chalcopyrite

CuFeS2

Hematite

Hematite (Fe2O3)

Muscovite

KAl2(AlSi3O10)(OH)2

Pyrite

Iron Sulfide (FeS2)

Feldspar

Triclinic or Monoclinic Tectosilicate (e.g., KAlSi3O8)

Pyrite

Iron Sulfide (FeS2)

Limonite

FeO(OH)·nH2O