Mineral (Native Element)

Pyrite-bearing metamorphic rock (likely pyrite schist or quartz–pyrite ore)

Pyrite (FeS₂) in a quartz–mica-rich matrix; exact host rock is uncertain from the image

Turquoise in Matrix

Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O

Green cabochon gemstone pendant, likely turquoise or dyed green turquoise

Probably turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification requires testing

Gold-bearing quartz or iron-stained quartzite

Quartz (SiO₂), possibly with native gold and iron oxides

Mica-bearing quartz rock (likely pegmatite)

Quartz–feldspar–mica pegmatite; dark mica is probably biotite, possibly muscovite or chlorite

Weathered basalt (possibly iron-stained volcanic rock)

Basalt; predominantly plagioclase, pyroxene, and possibly olivine, with iron-oxide staining

Red Jasper (Skull Carving)

Jasper, a cryptocrystalline variety of Quartz (SiO2)

Desert Rose (Gypsum Rose)

Calcium Sulfate Dihydrate (CaSO4·2H2O)

Turquoise

Hydrate phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)

Red Jasper

Chalcedony/Quartz (SiO2) with iron inclusions

Possible weathered iron-rich rock or breccia

Indeterminate; likely iron-oxide-stained silicate rock, possibly basaltic breccia or limonite-bearing material

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Gold Ore (in Quartz/Gossan matrix)

Native Gold (Au) in Limonite/Quartz matrix

Iridescent bismuth crystal

Bismuth (Bi), commonly laboratory-grown

Turquoise

Turquoise - CuAl6(PO4)4(OH)8·4H2O

Iron-rich weathered rock, possibly limonite/goethite-bearing ore

Limonite (hydrated iron oxides; chiefly goethite, FeO(OH), with hematite and other oxides possible)

Gold Ore in Quartz

Native Gold (Au) in Quartz (SiO2) matrix

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Turquoise

Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)

Amygdaloidal Basalt

Amygdaloidal Basalt

Gold-bearing quartz or iron-stained quartzite

Quartz (SiO₂), possibly with pyrite or native gold inclusions

Amygdaloidal Basalt

Vesicular-Amygdaloidal Basalt (Mafic Extrusive)

Gold-bearing quartz vein rock

Milky quartz (SiO₂) with probable native gold and iron-oxide staining

Yellow quartz-bearing rock, possibly sulfur-stained quartz or calcite

Indeterminate; likely quartz (SiO₂) and/or calcite (CaCO₃) with yellow iron/sulfur staining

Pyrite-rich sulfide ore (likely pyrite with chalcopyrite)

Pyrite, FeS₂; possible chalcopyrite, CuFeS₂, and minor quartz or sphalerite

Likely hematite-rich ironstone or metallic mineral fragment

Hematite (Fe₂O₃), possibly with magnetite (Fe₃O₄) or metallic iron

Malachite-bearing copper ore

Malachite, Cu₂CO₃(OH)₂, likely mixed with chrysocolla, copper minerals, and iron oxides

Agate (Thunderegg)

Silicon dioxide (SiO2)

Turquoise

Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O

Gold-bearing quartz vein ore

Native gold (Au) in quartz with iron-oxide alteration; likely limonite/goethite and possibly sulfides

Turquoise

Hydrous phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]

Turquoise and Red Coral

Turquoise: CuAl6(PO4)4(OH)8·4H2O; Red Coral: Corallium rubrum (organic gemstone)

Polished turquoise cabochon (likely turquoise or imitation)

Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O

Copper-bearing Mica Schist

Mica Schist with Native Copper inclusions

Amygdaloidal Basalt

Amygdaloidal Basalt (with secondary mineral infilling)

Pyrite-bearing quartz vein (likely pyrite ore)

Pyrite, FeS₂, with abundant quartz (SiO₂) and possibly chalcopyrite

Pyrite-bearing quartz rock

Pyrite (FeS₂) in quartz-rich matrix, possibly with mica or chlorite

Agate Geode / Thunderegg

Chalcedony (cryptocrystalline variety of Quartz), SiO2

Yellow Jasper

Jasper (Silicon Dioxide, SiO2)

Turquoise with Pyrite

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)

Moqui Marble (Shaman Stone)

Iron Oxide Concretion (Hematite/Goethite-encased Sandstone)

Small yellow mineral specimen (possibly sulfur)

Unidentified; appearance alone is insufficient to confirm sulfur