Mineral Pseudomorph

Granite

Intrusive Igneous Rock

Blue Apatite

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

Granite

Intrusive Igneous Rock

Calcite (Yellow/Orange variety - sometimes called Honey Calcite)

Calcite

Copper Ore (Malachite and Azurite on Host Rock)

Cuprite, Malachite, and Azurite dissemination in gangue

Quartz with Pyrite inclusions

Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)

Quartz with inclusions (likely Tourmaline or Biotite)

Silicon Dioxide (SiO2)

Gossan (with secondary copper minerals)

Iron-rich oxidized rock cap (Limonite/Goethite with Malachite/Chrysocolla inclusions)

Orange Calcite (likely polished specimen)

Calcite

Granite

Granite (a common term for a felsic intrusive igneous rock)

Milky Quartz (with Chlorite/Mineral Inclusions)

Silicon Dioxide (SiO2)

Pink Mimbres Agate / Plume Agate

Silicon dioxide (SiO2) with mineral inclusions

Native Copper

Native Copper (Cu)

Tumbled brown stone, likely tiger’s-eye or jasper

Quartz-rich microcrystalline silica, likely SiO₂ (possible tiger’s-eye; identification uncertain from image)

Lepidolite

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

Sandstone Concretion

Sedimentary Concretion (Quartz sand bound by mineral cement)

Milky Quartz Pebble with Matrix

Quartz (Silicon Dioxide, SiO2)

Granitic Gneiss

Gneiss (Complex silicate composition)

Quartz Pebble

Silicon Dioxide (SiO2)

Milky Quartz with Country Rock contact

Silicon Dioxide (SiO2) in contact with Metamorphic/Igneous rock

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Turquenite (Dyed Howlite)

Dyed Ca2B5SiO9(OH)5 (Calcium Borosilicate Hydroxide)

Amygdaloidal Basalt

Basalt with secondary mineral infilling

Gemstone Sand (Mineral Assortment)

Mixed Mineral Concentrates (Commonly including Quartz SiO2, Garnet X3Y2(SiO4)3, and Tourmaline (Na,Ca)(Li,Mg,Al)3(Al,Fe,Mn)6(BO3)3(Si6O18)(OH,F)4)

Milky Quartz with Mineral Inclusions

Silicon Dioxide (SiO2) with miscellaneous inclusions

Milky Quartz with Mineral Inclusions

Quartz (Silicon Dioxide, SiO2)

Milky Quartz with Mineral Inclusions

Silicon Dioxide (SiO2)

Blue Apatite

Apatite - Ca5(PO4)3(F,Cl,OH)

Gneiss

Gneiss

Red Sandstone

Sandstone (Quartz Arenite with Iron Oxide)

Turquoise

Turquoise - CuAl6(PO4)4(OH)8·4H2O

Red Sandstone

Ferruginous Sandstone (SiO2 with Fe2O3)

Sandstone with Iron Staining

Arenite (SiO2 with Fe-oxide coatings)

Sandstone with Iron Staining

Arenite (SiO2 with FeO(OH) impurities)

Pyrite in Quartz Matrix

Iron Disulfide (FeS2) in Silicon Dioxide (SiO2)

Obsidian Fetish Carving with Turquoise Inlay

Volcanic Glass with Turquoise (CuAl6(PO4)4(OH)8·4H2O)

Red Sandstone

Arenite (Ferruginous Sandstone)

Sulfur

Sulfur (S8)

Ironstone Concretion / Goethite-Hematite Nodule

Goethite/Hematite (α-FeO(OH) / Fe2O3)

Malachite

Malachite [Cu2CO3(OH)2]

Sandstone (with Iron Staining)

Arenite (primarily SiO2 with Fe2O3/FeO(OH) oxides)

Botryoidal Hematite (Kidney Ore)

Hematite (Fe2O3)