Mineral (Man Made Aura Treatment)

Green faceted gemstone, likely emerald or synthetic emerald

Beryl, Be₃Al₂Si₆O₁₈, colored green by chromium and/or vanadium; identity cannot be confirmed visually

Blue-green calcite

Calcite (CaCO₃), likely a pale aqua variety

Likely tumbled calcite or pale limestone fragment

Calcite (CaCO₃), possibly microcrystalline limestone

Fossiliferous Limestone

Biomicrite / Fossiliferous Limestone (CaCO3)

Marble (Calcitic)

Metamorphosed Limestone (CaCO3)

Polished, dyed blue agate slice

Agate, a banded variety of chalcedony (microcrystalline SiO₂)

Emerald (Faceted Gemstone)

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Multi-stone gemstone ring

Likely faceted blue topaz or synthetic blue stone with clear stones, possibly cubic zirconia or diamond; metal setting appears silver-colored alloy

Polished blue-gray agate/geode slice (tentative)

Microcrystalline quartz (chalcedony), SiO₂, possibly with druzy quartz

Blue Slag Glass

Amorphous Silica (Byproduct of smelting)

Orange calcite

Calcite (calcium carbonate, CaCO₃)

Blue calcite

Calcite (CaCO₃), likely massive to coarsely crystalline blue calcite

Ruby (mounted cabochon)

Corundum, Al₂O₃; red color typically from chromium

Pink tourmaline crystal (likely polished or rough-cut)

Elbaite, Na(Li₁.₅Al₁.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃

Dyed blue quartz or druzy geode (likely)

Quartz, silicon dioxide (SiO₂), probably artificially colored

Honey calcite crystal

Calcite (calcium carbonate, CaCO₃)

Blue calcite (probable)

Calcite, calcium carbonate (CaCO₃)

Blue quartz-like mineral specimen

Likely quartz (SiO₂), possibly dyed or coated; exact identification requires testing

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Orange chalcedony (possibly carnelian)

Microcrystalline quartz, SiO₂; iron-oxide-bearing chalcedony

Larimar

Pectolite

Tumbled amber-colored chalcedony (likely carnelian or yellow agate)

Microcrystalline quartz, SiO₂; likely iron-bearing chalcedony

Tumbled carnelian agate

Microcrystalline quartz (chalcedony), SiO₂, colored mainly by iron oxides

Dyed or coated quartz geode

Quartz geode; silicon dioxide (SiO₂), likely artificially color-enhanced

Honey-colored chalcedony (likely carnelian)

Microcrystalline quartz, SiO₂; orange chalcedony colored by iron oxides

Amethyst

Crystalline Silicon Dioxide with Iron impurities (SiO2)

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

Quartz, SiO₂; yellow color commonly from iron impurities or irradiation

Citrine (Heat-treated Amethyst)

Silicon Dioxide (SiO2) with iron impurities

Ruby

Corundum (Al2O3 with Chromium impurities)

Blue Calcite

Calcium Carbonate (CaCO3)

Calcite crystal cluster

Calcite (calcium carbonate, CaCO₃), likely honey or pale-orange calcite

Tumbled blue chalcedony (likely blue quartz/chalcedony)

Cryptocrystalline silica, SiO₂; likely chalcedony, possibly dyed or surface-coated

Polished amber

Fossilized tree resin; chiefly terpenoid polymers (succinite)

Blue Zircon

Zirconium Silicate (ZrSiO4)

Carved Stone Turtle

Carved Soapstone and Quartz

Tumbled amethyst

Amethyst, purple variety of quartz (SiO₂)

Calcite

Calcium Carbonate (CaCO3)

Tumbled blue chalcedony (likely blue agate)

Microcrystalline quartz, SiO₂; chalcedony/agate variety

Polished amethyst crystal point

Amethyst, purple quartz (SiO₂)

Smoky Quartz

Silicon Dioxide (SiO2)

Green Quartz / Prasiolite

Silicon Dioxide (SiO2)

Red Tigers Eye (Bull's Eye)

SiO2