Mineral Like Byproduct (Technogenic)

Fossilized Shark Tooth (Sand Tiger)

Carcharias sp. (Fossilized Tooth)

Granite

Intrusive igneous rock composed mainly of quartz, alkali feldspar, and plagioclase

Epidote

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

Blue Quartz

Silicon Dioxide (SiO2) with fibrous inclusions (such as tourmaline, magnesio-riebbeckite, or crocidolite)

Granite

Intrusive igneous rock (Acidic)

Granitic Pegmatite

Granite (with coarse-grained Quartz, Feldspar, and Mica components)

Schist

Mica Schist

Kaolinite (China Clay)

Kaolinite (Al2Si2O5(OH)4)

Copper-bearing Quartz Vein in Host Rock

Quartz with Malachite/Chrysocolla staining

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Prase or Green Quartz

Silicon Dioxide (SiO2 with actinolite or chlorite inclusions)

Bauxite (Aluminum Ore)

Hydrated aluminum oxides, primarily Al(OH)3, AlO(OH)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Granite

Intrusive Igneous Rock

Granitic Pegmatite

Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8, Mica: KAl2(AlSi3O10)(OH)2)

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Lepidolite

K(Li,Al)3(Al,Si,Rb,Cs)4O10(F,OH)2

Lepidolite (in Quartz Matrix)

Lepidolite [K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2]

Blue Apatite

Fluorapatite / Apatite (Ca5(PO4)3(F,Cl,OH))

Limonite/Goethite (Iron Ore)

Hydrous ferric oxides (FeO(OH)·nH2O)

Pegmatite

Igneous Pegmatite

Granite

Felsic Plutonic Rock

Spinifex Texture Komatiite

Komatiite (Ultramafic Volcanic Rock)

Rose Quartz

Silicon dioxide (SiO2)

Kaolinite (Kaolin)

Kaolinite (Al2Si2O5(OH)4)

Quartz Geode

Silicon Dioxide (SiO2) in Geodic Cavity

Schist (Greenschist / Mica Schist)

Metamorphic rock rich in platy minerals (e.g., Chlorite/Mica schist)

Potassium-Rich Silicate Clay (inferred from biological context)

Phyllosilicate group (likely Illite or Smectite within surrounding soil substrate)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(F,OH)2)

Quartz Geode

Silicon Dioxide (SiO2)

Sulfur on matrix

Native Sulfur (S8)

Greenschist / Serpentinite

Metamorphic rock rich in chlorite/actinolite/serpentine

Aventurine

Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Quartz Geode

Silicon Dioxide (SiO2)

Garnet

Pyrope or Almandine (X3Y2(SiO4)3)

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Peacock Ore (Bornite or Iridescent Chalcopyrite)

Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with tarnish

Lepidolite in Quartz (Obelisk)

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite)

Jasper (Chert / Chalcedony)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Granitic Pegmatite

Pegmatitic Granite

Granite

Felsic intrusive igneous rock