Mineral, Metal (Element)

Opalite-style glass pendant

Man-made opalescent glass (not natural opal)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Granite

Intrusive Igneous Rock (Felsic)

Gossan (Iron Hat)

Limonitic Gossan (predominantly FeO(OH)·nH2O)

Quartz Vein in Host Rock

Hydrothermal Quartz (SiO2) in Slates/Schists

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Weathered quartz-rich rock, likely granite or pegmatite

Granitic pegmatite; chiefly quartz (SiO₂), feldspar, and mica, with possible iron-oxide staining

Native Gold Flake

Gold (Au)

Aura Quartz Geode

Titanium/Gold bonded Quartz (SiO2 with metallic coating)

Rose Quartz

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

Quartz cabochon turtle pendant

Quartz (SiO₂), likely a translucent variety with natural inclusions

Gossan / Iron Ore Rock

Hematite / Goethite / Limonite iron oxide assemblage

Turquoise cabochon ring

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

Blue topaz-style pendant gemstone

Likely blue topaz (Al₂SiO₄(F,OH)₂); the image cannot confirm the stone or whether it is natural or synthetic.

Pink quartz (likely rose quartz)

Quartz, silicon dioxide (SiO₂), typically massive rose quartz colored by trace elements and microscopic inclusions

Diamond

Diamond (Pure Carbon, C)

Milky quartz with possible mica or feldspar inclusions

Quartz (SiO₂), likely with minor inclusions

Granite

Intrusive Igneous Rock

Quartz-rich hydrothermal ore rock, likely gold-bearing quartz vein

Milky quartz (SiO₂) with iron-oxide staining and probable sulfide minerals; host rock may be schist or altered granite

Polished dendritic agate pendant

Microcrystalline quartz (SiO₂), with dark manganese- or iron-oxide dendrites

Possible iron-rich meteorite or metallic sulfide-bearing rock

Unconfirmed; candidates include stony-iron meteorite, iron meteorite, or pyrite-bearing terrestrial rock

Cubic Zirconia (CZ) Jewelry

Zirconium dioxide (ZrO2)

Tumbled pale-green quartz, likely prasiolite or green aventurine

Quartz (SiO₂), with minor iron- or other mineral-related coloring

Granite

Felsic intrusive igneous rock

Diamond (or Diamond Simulant)

Carbon (C)

Silicon

Silicon (Si)

Rough Diamond

Diamond (Pure Carbon: C)

Pink Lepidolite

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

Yellow Ochre / Limonite

Limonite (FeO(OH)·nH2O)

Possible weathered metallic mineral specimen

Uncertain; possibly native copper-bearing rock or iron sulfide in a gray host matrix

Iron-oxide-rich weathered rock

Limonite/goethite-bearing ironstone; chiefly hydrated iron oxides, often FeO(OH)·nH₂O

Aventurine

Quartz (SiO2) with inclusions of Fuchsite

Lepidolite in Quartz (Lithium-bearing Ore)

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) and Quartz (SiO2)

N/A - Man-made object (Jewelry Chain)

Antiqued or Oxidized Metal Chain (often Steel or Brass)

Granite

Granite (felsic intrusive igneous rock)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Granite

Felsic intrusive igneous rock

Milky Quartz with Iron Oxide Weathering

Silicon Dioxide (SiO2) with Goethite/Limonite coatings

Blue-green crystal point, likely fluorite

Fluorite (CaF₂), tentative visual identification

Chalcopyrite-bearing Ore

Chalcopyrite (CuFeS2)

Beryl (Variety: Aquamarine)

Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)