Mineral (Man Made Aura Treatment)

Smoky quartz (likely citrine/iron-stained quartz)

Quartz, SiO₂; coloration from irradiation and/or iron impurities

Orange carnelian (possibly dyed agate) pendant

Cryptocrystalline quartz (chalcedony), SiO₂

Corundum (Sapphire/Ruby in Matrix)

Corundum (Al2O3)

Moissanite

Silicon Carbide (SiC)

Diamond

Carbon (C)

Blue apatite or dyed blue stone (likely apatite)

Apatite, Ca5(PO4)3(F,Cl,OH); exact identification is uncertain from the photograph

Tumbled turquoise (probable)

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

Dyed Agate Geode Slice

Silicon Dioxide (SiO2) - Banded Chalcedony

Tumbled honey-yellow quartz/chalcedony, possibly dyed

Microcrystalline quartz (SiO₂), likely chalcedony or quartz with iron-oxide coloration

Tumbled pale green mineral specimen, likely calcite

Calcite (CaCO₃), tentative identification

Black Obsidian

Obsidian (Volcanic Glass, SiO2 + impurities)

Slag Glass (Cullet)

Amorphous Silicon Dioxide (SiO2) with metal oxide colorants

Cut diamond tennis-chain jewelry

Diamond, crystalline carbon (C), cubic crystal system

Likely calcite fragment

Calcite (CaCO₃), possibly limestone or marble

Peacock ore

Iridescent chalcopyrite, commonly bornite-coated or artificially treated copper sulfide

Tumbled amethyst

Amethyst, purple variety of quartz (SiO₂)

Honey-colored calcite

Calcite (CaCO₃), likely massive or partly crystalline

Citrine

Silicon Dioxide (SiO2) with Fe3+ impurities

Dyed tumbled quartz (likely quartzite or quartz crystal)

Quartz, silicon dioxide (SiO₂)

Polished agate geode slice

Chalcedony (microcrystalline quartz, SiO₂), likely blue-gray agate with an open geode cavity

Tumbled blue-green stone, likely turquoise or chrysocolla

Turquoise: CuAl₆(PO₄)₄(OH)₈·4H₂O; chrysocolla: hydrated copper silicate

Citrine

Silicon dioxide (SiO2) - yellow quartz variety

Polished fossil coral

Agatized or silicified coral, commonly fossilized stony coral (Scleractinia); exact genus cannot be determined from the image

Blue calcite

Calcite (CaCO₃)

Diamond

Carbon (C)

Diamond (Colorless/White)

Carbon (C)

Tumbled smoky quartz

Quartz (SiO₂), brown to gray variety colored by irradiation and trace defects

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Green Chalcedony (Green Agate)

Silicon Dioxide (SiO2)

Bornite (“peacock ore”), likely polished specimen

Bornite, Cu5FeS4

Larimar (blue pectolite) bead bracelet

Pectolite, NaCa₂Si₃O₈(OH); blue color from copper-related impurities

Likely dark purple fluorite or another polished mineral specimen

Indeterminate from the image; fluorite is CaF₂

Raw yellow calcite

Calcite (calcium carbonate, CaCO₃)

Pink calcite cluster

Calcite, calcium carbonate (CaCO₃)

Polished white calcite (likely satin spar variety)

Calcite, calcium carbonate (CaCO₃)

Orange Calcite

Calcium Carbonate (CaCO3)

Polished agate slice

Chalcedony (microcrystalline quartz, SiO₂) with iron-oxide inclusions

Crackle-pattern pyrite cube

Pyrite (iron disulfide, FeS₂), likely a cubic crystal with surface oxidation/fracturing

Amethyst ring

Amethyst, purple quartz (SiO₂), likely set with diamond or other accent stones

Raw yellow-brown crystal, likely citrine or honey calcite

Citrine: quartz (SiO₂); possible honey calcite: calcite (CaCO₃)

Polished yellow-orange cabochon, likely citrine (quartz)

Citrine, iron-colored quartz (SiO₂); identification is tentative from the photo

Yellow tumbled mineral, likely citrine or yellow quartz

Quartz (SiO₂), possibly iron-colored citrine; exact identification requires testing