Mineral (Man Made Glass, Not Natural)

Blue Goldstone

Synthetic Aventurescent Glass (Cobalt-doped soda-lime glass)

Bismuth

Bismuth (Bi)

Chert (Chalky Flint Node)

Chert (Microcrystalline Quartz, SiO2)

Sandstone (with man-made markings)

Arenite (composed primarily of Quartz, SiO2)

Sandstone (with concrete/human-made layer)

Clastic Sedimentary Rock (primarily Quartz/Feldspar grains)

Diamond (or Cubic Zirconia simulant)

Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ

Boxwork or Septarian Concretion

Septarian nodule / Boxwork weathering

Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)

Silicon Dioxide (SiO2) with metallic inclusions

Polished black stone sphere (likely black basalt or black tourmaline)

Most likely fine-grained basalt (plagioclase–pyroxene); mineral identification is uncertain from the image alone

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

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

Black-and-white agate geode pendant

Agate (microcrystalline quartz, SiO₂), likely a hollow geode slice with chalcedony and drusy quartz

Blue Goldstone

Aventurine Glass

Rough Corundum (Sapphire/Ruby mixture)

Corundum (Aluminum Oxide, Al2O3)

Yellow faceted gemstone, likely citrine or synthetic glass

Citrine (quartz, SiO₂) is the leading natural possibility; visual identification is uncertain from the photograph

Man-made earbud charging case (Not a rock or mineral)

Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components

Aura Quartz / Rainbow Aura Quartz

Silicon Dioxide (SiO2) with metallic vapor coating

Conglomerate

Clastic Sedimentary Rock (Conglomerate)

Polished smoky quartz crystal point

Quartz (SiO₂), likely iron-colored or smoky quartz with milky inclusions

Concrete rubble

Anthropogenic conglomerate

Lava Rock with Fabric Impression

Scoria or Basalt with anthropogenic impressions

Diamond

Diamond (pure Carbon, C)

Blue Goldstone

Aventurine Glass (Silicon Dioxide with metal inclusions)

Blue chalcedony cabochon (probable)

Chalcedony, a cryptocrystalline variety of quartz; silicon dioxide, SiO₂

Ferro-slag (Leland Blue/Slag Glass)

Anthropogenic Vitreous Silica (Industrial Slag)

Green iridescent glass cabochon or synthetic gemstone

Likely synthetic glass; possibly coated synthetic quartz or lab-created green gemstone

Polished amethyst-bearing quartz

Quartz, SiO₂; purple coloration from irradiation and trace iron

Moissanite

Silicon Carbide (SiC)

Diamond

Carbon (C)

Dark quartz point (possibly smoky quartz)

Quartz, SiO₂; the dark color may indicate smoky quartz, but the image is insufficient to confirm

Green Sea Glass

Amorphous Silica (man-made glass), SiO2 + additive metal oxides

Jasper

Silicon dioxide (SiO2) with impurities

Goldstone

Not a natural mineral or rock. It is an ornamental glass.

Pyrite Concretion (Grapestone)

Iron Sulfide (FeS2) Concretion

Blue Slag Glass

Amorphous Silica (Industrial byproduct)

Polished obsidian

Volcanic glass; predominantly rhyolitic SiO₂

Diamond

Carbon (C)

Diamond (Colorless/White)

Carbon (C)

Pearl and Garnet Glass

Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass

Diamond

Carbon (C)

Beaded gemstone jewelry (likely amethyst, lapis lazuli, and pearl or glass imitation)

Mixed mineral beads; possible quartz (SiO₂) and lazurite-bearing lapis lazuli

Blue faceted gemstone ring, likely synthetic sapphire or blue topaz

Uncertain from image; possible corundum (Al₂O₃) or topaz (Al₂SiO₄(F,OH)₂)

Green glassy slag (often sold as “sea glass” or “green obsidian”)

Industrial vitreous slag; primarily amorphous silicate glass, composition variable