Mineral (Man Made Aura Treatment)

Polished ruby cabochon (likely synthetic or treated)

Corundum, aluminum oxide (Al₂O₃), colored red by chromium

Blue faceted gemstone, likely synthetic sapphire or blue glass

Corundum (Al₂O₃) if sapphire; identity cannot be confirmed visually

Yellow calcite (likely)

Calcite, CaCO₃

Dyed Quartz / Rose Quartz Imitation

Silicon Dioxide (SiO2) with artificial pigment

Blue slag glass or dyed glass-like industrial material

Amorphous silicate glass; likely copper-bearing blue slag, but possibly colored man-made glass

Smoky Quartz with Inclusions

Silicon Dioxide (SiO2)

Opalite (a synthetic glass, often confused with Opal)

Silicon dioxide glass (SiO2nH2O, for natural opal)

Amethyst (rough fragment)

Quartz, SiO₂; purple variety colored mainly by iron-related defects

Titanium Quartz (Aura Quartz)

Silicon Dioxide (SiO2) treated with Titanium

Blue-green agate bead bracelet

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

Rhodochrosite (Beads) and Citrine (Pendant)

Rhodochrosite (MnCO3) and Quartz variety Citrine (SiO2)

Blue tumbled glass-like specimen; likely blue slag glass

Likely man-made glass (silicate glass), not a natural mineral; exact material cannot be confirmed from the image

Faceted amber-colored gemstone, possibly citrine

Unidentified transparent gem; citrine is quartz (SiO₂), but the image alone cannot confirm the material

Calcite in Matrix

Calcium Carbonate (CaCO3) on Sedimentary Host Rock

Jade pendant, likely jadeite

Jadeite, NaAlSi₂O₆ (possibly nephrite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)

Nickel coin (U.S. currency)

Cupronickel (75% Copper, 25% Nickel alloy)

Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia)

Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy

Amethyst cluster

Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation

Blue crystal/mineral specimen (possibly blue quartz or dyed stone)

Uncertain from photograph; possible quartz, SiO₂, or a blue copper-bearing mineral

Amethyst (large crystal point)

Quartz, SiO₂; purple coloration from trace iron and irradiation

Likely polished blue-green gemstone

Indeterminate from image; possibilities include sapphire (corundum, Al₂O₃), aquamarine (beryl, Be₃Al₂Si₆O₁₈), or blue-green tourmaline

Polished golden mineral specimen, likely golden calcite or citrine quartz

Identification uncertain from the photograph; possibilities include calcite (CaCO₃) or quartz (SiO₂), with the color potentially enhanced by polishing or coating

Dyed agate slice

Microcrystalline quartz (SiO₂), typically banded chalcedony

Druzy Quartz

Quartz (Silicon Dioxide, SiO2)

Tumbled yellow-brown quartz (likely citrine or iron-stained quartz)

Quartz, SiO₂; yellow color may result from iron impurities

Polished agate or chalcedony slice (uncertain)

Microcrystalline quartz, SiO₂; possibly fossil-bearing chalcedony

Polished blue chalcedony (likely blue quartz/chalcedony cabochon)

Chalcedony, cryptocrystalline SiO₂; possibly dyed or treated common quartz

Raw Calcite

Calcite (Calcium Carbonate - CaCO3)

Likely labradorite or another feldspar-rich rough stone

Possibly labradorite, a plagioclase feldspar: (Ca,Na)(Al,Si)₄O₈; identification is uncertain from the image

Tumbled aqua glassy mineral specimen, likely chrysocolla or turquoise imitation

Uncertain from image; possible chrysocolla (hydrated copper aluminosilicate, variable composition) or dyed/man-made glass

Granodiorite

Granodiorite

Chalcopyrite (Peacock Ore)

Chalcopyrite (CuFeS2) with Bornite (Cu5FeS4) oxidation

Rose Quartz (Aura Quartz)

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

Tumbled pale-yellow quartz (likely citrine or iron-stained quartz)

Quartz, silicon dioxide (SiO₂)

Yellow-orange tumbled stone, likely carnelian or orange jasper

Cryptocrystalline quartz (chalcedony), SiO₂; possibly iron-rich jasper

Dragon Vein Agate

Silicon Dioxide (SiO2)

Red glassy cabochon, likely synthetic ruby or red glass

Uncertain; possible synthetic corundum (Al₂O₃, chromium-colored) or man-made glass

Tumbled blue-gray stone, possibly chalcedony or quartzite

Likely microcrystalline quartz (SiO₂), but the image is insufficient for confident identification

Translucent yellow-green chalcedony, possibly common opal

Microcrystalline quartz (SiO₂), potentially mixed with opaline silica (SiO₂·nH₂O)

Tumbled yellow chalcedony (likely citrine or yellow jasper)

Microcrystalline quartz, SiO₂; exact identification requires testing

Tumbled agate (likely Botswana or fortification agate)

Microcrystalline quartz, SiO₂ (chalcedony with banded impurities)

Tumbled blue-green chalcedony (likely dyed agate or chrysocolla-bearing chalcedony)

Microcrystalline quartz, SiO₂; blue coloration may reflect chrysocolla, copper minerals, or dye