Mineral (Processed Metal)

Cubic Zirconia (Simulated Diamond)

Cubic Zirconia (ZrO2)

Granite

Granitoid (dominated by Quartz and Feldspar)

Fluorite

Calcium Fluoride (CaF2)

Opalite (Man-made Glass)

Fused glass (typically made of dolomite and metal opacifiers)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Beryl (likely Aquamarine or Green Beryl)

Beryllium aluminum silicate (Be3Al2Si6O18)

Serpentinite

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

Slag Glass

Glassy Silicate Residue

Tumbled carnelian (likely chalcedony)

Carnelian, orange-red cryptocrystalline quartz (SiO₂), a variety of chalcedony

Orange Calcite

Calcium Carbonate (CaCO3)

Bauxite

Bauxite (mixture of Hydrous Aluminum Oxides)

Serpentinite

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

Blue-dyed magnesite beads (often sold as “turquoise howlite”)

Magnesite, MgCO₃; commonly dyed blue and possibly marketed as dyed howlite, Ca₂B₅SiO₉(OH)₅

Quartz and Limestone Grouping

Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)

Diamond (in jewelry)

Carbon (C)

Pyrite

Iron Sulfide (FeS2)

Faceted Quartz (Rock Crystal)

Crystalline Silicon Dioxide (SiO2)

Granite

Granite (Felsic Plutonic Rock)

Lepidolite

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

Native Silver

Silver (elemental Ag)

Quartz Vein

Silicon Dioxide (SiO2)

Green Fluorite

Calcium Fluoride (CaF2)

Quartz-bearing Ore (likely Gold-bearing Quartz)

Quartz (SiO2) with potential sulfide mineralization (Pyrite/Arsenopyrite)

Serpentinite

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

Serpentinite

Serpentinite (composed primarily of mineral group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)

Greenstone / Serpentinite

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

Gold Nugget

Native Gold (Au)

Blue Impression Jasper beads

Impression jasper (microcrystalline quartz/chalcedony), chiefly SiO₂, with iron-oxide and other mineral inclusions

Amethyst

Quartz (Silicon Dioxide, SiO2)

Yellow Quartz (Citrine/Yellow Jasper mix)

Silicon Dioxide (SiO2) with iron oxide inclusions

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Bismuth Crystal

Bismuth (Bi)

Bauxite

Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))

Banded sandstone pebble

Lithic or quartz-rich sandstone; exact composition requires testing

Serpentine (Serpentinite)

Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Ironstone Pebble

Sedimentary ironstone / Hematitic Sandstone

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4

Lepidolite with Rubellite Tourmaline

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

Quartz vein in Schist

Crystalline Silicon Dioxide (SiO2) in Metamorphic Host

Iron Slag

Iron smelting byproduct (Glassy/vesicular silicate)

Blue sodalite beads

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂

Quartz Vein in Basalt or Sedimentary Host Rock

Silica-veined lithic fragment (SiO2 in host matrix)