Man Made Byproduct (Non Geological)

Milky Quartz

Silicon Dioxide (SiO2)

Orthoclase Feldspar (Salmon variety)

Orthoclase, KAlSi3O8

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Optical Calcite

Calcite (Calcium Carbonate, CaCO3)

Crushed Limestone

Calcium Carbonate (CaCO3)

Muscovite Mica (on Quartz Matrix)

Muscovite - KAl2(AlSi3O10)(OH)2

Satin Spar (Selenite)

Gypsum (CaSO4·2H2O)

Orthoclase Feldspar

Potassium Aluminum Silicate (KAlSi3O8)

Limestone

Calcium Carbonate (CaCO3)

Obsidian / Volcanic Glass

Obsidian (principally SiO2, usually 70% or more)

Quartzite

Quartzite (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Orthoclase (Potassium) Feldspar in Quartz

KAlSi3O8 (Potassium Aluminum Silicate)

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Galena

Lead(II) sulfide (PbS)

Fluorite

Calcium Fluoride (CaF2)

Milky Quartz

Silicon Dioxide (SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Fluorite Octahedron

Fluorite (Calcium Fluoride, CaF2)

Lavender Jade (Jadeite)

Jadeite - Sodium Aluminum Silicate (NaAlSi2O6)

Pyrite

Iron Sulfide (FeS2)

Optical Calcite (Iceland Spar)

Calcium Carbonate (CaCO3)

Quartz

Quartz (SiO2 - Silicon Dioxide)

Green Fluorite

Calcium Fluoride (CaF2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Fluorite (Purple variety)

Calcium Fluoride (CaF2)

Chert (specifically Gray/Blue-Gray Chert)

Chert (SiO2)

Granite

Felsic Intrusive Igneous Rock

Green Fluorite in Host Rock

Fluorite (Calcium Fluoride, CaF2)

Fluorite

Calcium Fluoride (CaF2)

Biotite Schist

Biotite Schist (Rich in K(Mg,Fe)3AlSi3O10(OH)2)

Kimberlite

Kimberlite (Porphyritic Peridotite)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese

Basalt

Mafic volcanic rock (primarily plagioclase feldspar and pyroxene)

Moqui Marble (Shaman Stone)

Ironstone Concretion (Fe2O3 with a sandstone core)

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Mica)

Pyrite

Iron Sulfide (FeS2)

Pyrite

Iron Sulfide (FeS2)

Pink Granite (Gneissic Granite)

Granite (composed primarily of Quartz, K-Feldspar, and Plagioclase)

Chert (Jasper/Flint variant)

Silicon Dioxide (SiO2)