Mineral, Metal (Element)

Copper Ore (with Malachite/Chrysocolla and Iron Oxides)

Secondary Copper Minerals (Cu2(CO3)(OH)2 / (Cu,Al)2H2Si2O5(OH)4·nH2O)

Opalite

Synthetic Glass (SiO2 + impurities)

Blue Calcite

Calcite (Calcium Carbonate, CaCO3)

Amethyst ring

Amethyst, purple quartz (SiO₂)

Opalite (Man-made Glass)

Fused glass (typically made of dolomite and metal opacifiers)

Opalite crescent pendant

Opalite (man-made opalescent glass; not a natural mineral)

Granite

Granite (Felsic intrusive igneous rock)

Blue-green cabochon pendant, likely turquoise or composite turquoise

Turquoise: hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification is uncertain from the blurred image

Quartz vein in dark metamorphic rock

Likely quartz-rich vein cutting a biotite- or amphibole-rich metamorphic host; exact host rock cannot be confirmed from the image

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) vein cutting through host rock

Peridot (Olivine)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Epithermal Gold Ore (in Quartz/Rhyolite matrix)

Auriferous Quartz (Au + SiO2)

Granite

Felsic intrusive igneous rock

Gold

Native Gold (Au)

Granite

Phaneritic plutonic igneous rock (mainly Quartz, Feldspar, and Mica)

Granite

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

Pyrite in Matrix

Iron Sulfide (FeS2)

Native gold nugget or flake

Native gold (Au), possibly with minor silver/electrum

Sunstone

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

Bismuth

Bismuth (Bi)

Pyrite-rich Ore

Pyrite (FeS2) with secondary minerals

Ferrochrome Slag

Anthropogenic slag (Fe-Cr alloy waste)

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 inclusions)

Aura Quartz (Titanium/Bismuth Coated)

Silicon Dioxide (SiO2) with metallic vapor coating

Gold Nugget

Native Gold (Au)

Granite

Felsic intrusive igneous rock

Milky or Iron-Stained Quartz

Quartz (Silicon Dioxide, SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Milky Quartz

Silicon Dioxide (SiO2)

Slag

Metallurgical Slag

Likely weathered basalt with iron-oxide alteration

Basalt (fine-grained mafic volcanic rock), chiefly plagioclase and pyroxene with altered iron-bearing minerals

Turquoise-and-coral silver jewelry brooch

Turquoise: hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O; red cabochons appear to be coral, likely set in silver

Green Aura Quartz

Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating

Lepidolite

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

Gold-bearing Quartz Vein in Mafic Rock

Hydrothermal Quartz Vein within Greenschist/Amphibolite facies (SiO2 with Au)

Gold Flakes

Native Gold (Au)

Likely quartz-rich igneous pebble

Uncertain; possibly granite or quartz-bearing pegmatite

Granite Boulder

Felsic Intrusive Igneous Rock

Blue-green agate bead bracelet

Chalcedony (microcrystalline quartz, SiO₂), likely dyed blue-green

Quartz crystal pendant

Quartz (silicon dioxide, SiO₂), likely rock crystal or milky quartz

Mixed gemstone jewelry collection

Various gemstone minerals, including likely amethyst (quartz), sapphire or iolite, garnet, pearl, turquoise, and colored beryl or tourmaline

Zircon

Zircon (Zirconium Silicate, ZrSiO4)