Basalt with Secondary Mineralization (Likely Zeolites or Calcite)
Aphanitic mafic volcanic rock with secondary mineral inclusions (e.g., CaAl2Si3O10·3H2O for Scolecite)
igneous
Category
Mineral (Treated)
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Fluorite (Rainbow, Purple-Blue Tumbled)
Calcium Fluoride (CaF2)
Mineral
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Shale
Shale (clastic sedimentary rock)
Sedimentary
Granite
Intrusive Igneous Rock
igneous
Amygdaloidal Basalt
Amygdaloidal Basalt (containing quartz/agate or zeolite fill)
igneous
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Quartz Vein in Hematitic Siltstone
Hydrothermal Quartz (SiO2) in Ferriferous Matrix
metamorphic
Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)
Calcite
Mineral
Copper Ore
Cupriferous Rock / Mixed Mineral Matrix
igneous
Greenschist
Chlorite Schist (Greenschist Facies)
metamorphic
Fluorite
Calcium fluoride (CaF2)
mineral
Sodalite
Na8Al6Si6O24Cl2
mineral
Specular Hematite
Hematite (Fe2O3)
mineral
Ironstone / Hematite
Iron(III) oxide (Fe2O3)
mineral
Celestite
Celestine (SrSO4)
mineral
Graphite
Graphite (Carbon, C)
mineral
Galena with Pyrite
Lead Sulfide (PbS) associated with Iron Sulfide (FeS2)
mineral
Chalcopyrite
CuFeS2
mineral
Hematite
Hematite (Fe2O3)
mineral
Muscovite
KAl2(AlSi3O10)(OH)2
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Feldspar
Triclinic or Monoclinic Tectosilicate (e.g., KAlSi3O8)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite
FeO(OH)·nH2O
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Mica Schist or Muscovite
KAl2(AlSi3O10)(OH)2
metamorphic
Limonite with Gossan / Iron Ore
Hydrated iron oxide-hydroxide, approximately FeO(OH)·nH2O
mineral
Graphite
Graphite (Carbon, C)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
mineral
Small pale mineral fragment
Unidentified; possibly quartz, calcite, or feldspar
mineral
Copper Ore / Altered Granodiorite
Cupriferous rock with silicate gangue
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Malachite-bearing Rock
Cu2CO3(OH)2
mineral
Graphite
Carbon (C)
mineral
Galena
Lead Sulfide (PbS)
mineral
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Chrysotile Asbestos
Chrysotile (Mg3Si2O5(OH)4)
mineral
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral