Mineraloid Like Synthetic Material

Likely blue glass or synthetic gemstone jewelry

Uncertain; possibly synthetic spinel, cubic zirconia, or blue glass

Tumbled opalite (likely man-made glass)

Opalite glass; a synthetic opalescent glass, not a natural mineral species

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

Polished blue stone, likely sodalite or dyed agate

Most consistent with sodalite (Na₈(Al₆Si₆O₂₄)Cl₂), though the image cannot confirm composition

Green faceted gemstone, likely emerald

Beryl, Be₃Al₂Si₆O₁₈, colored green by chromium and/or vanadium

Limonite (Iron Ore)

Limonite (Hydrous ferric oxides), generic formula FeO(OH)·nH2O

Polished blue chalcedony or glass-like quartz specimen

Chalcedony (microcrystalline SiO₂), possibly treated or synthetic; exact identification requires testing

Amber

Succinite (C10H16O)

Obsidian (Black Obsidian)

Obsidian (Volcanic Glass)

Cubic Zirconia (as a jewelry specimen)

Zirconium dioxide (ZrO2)

Pink Cubic Zirconia (CZ)

Zirconium Dioxide (ZrO2)

Blue Sapphire

Corundum (Al2O3 with trace Titanium and Iron)

Opal (Precious Opal)

Hydrated Silica (SiO2·nH2O)

Pink/red faceted gemstone, likely synthetic ruby or pink sapphire

Corundum, aluminum oxide (Al₂O₃); likely lab-grown or treated material

Polished black obsidian pyramid/block

Obsidian — natural volcanic glass, chiefly rhyolitic silica (approximately 70–75% SiO₂)

Pink Dyed Agate

Silicon Dioxide (SiO2) with synthetic pigment

Blue faceted gemstone, likely synthetic sapphire or blue spinel

Corundum (Al₂O₃) if sapphire; alternatively magnesium aluminate spinel (MgAl₂O₄)

Raw ruby (corundum)

Ruby variety of corundum, aluminum oxide (Al₂O₃), colored chiefly by chromium

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Cut red gemstone, likely ruby

Ruby, gem-quality corundum (Al₂O₃) colored by chromium

Mahogany Obsidian

Volcanic glass (SiO2 with Hematite or Magnetite inclusions)

Lava Stone and Chakra Beads

Basalt (with various mineral/synthetic beads)

Ruby

Corundum (Al2O3)

Cullet Glass (Strawberry Glass)

Amorphous Silicon Dioxide (SiO2) with metallic dopants

Blue cabochon, likely dyed or synthetic material

Undetermined; possibly dyed chalcedony (SiO₂), glass, or synthetic corundum

Iridescent polished gemstone, likely opal

Common or precious opal (hydrated amorphous silica, SiO₂·nH₂O), possibly synthetic or glass imitation

Emerald

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

Amber

Succinite (a specific common type) or Fossilized Tree Resin (C10H16O)

The user-provided image does not contain a rock or mineral specimen

Pink Opal

Hydrated Silica (SiO2·nH2O) with Palygorskite inclusions

Clear faceted gemstone, likely cubic zirconia

Cubic zirconia (synthetic zirconium dioxide, ZrO₂); visual identification is uncertain and diamond or another colorless stone is possible.

Polished hematite

Hematite (Fe₂O₃), likely a tumbled iron-oxide specimen

Snowflake Obsidian

Spherulitic Obsidian (primarily SiO2 with Cristobalite inclusions)

Amber beads

Amber — fossilized tree resin; organic mineraloid, not a mineral

Cubic Zirconia (Simulated Diamond)

Zirconium dioxide (ZrO2)

Obsidian

Volcanic glass (SiO2 - Silicon Dioxide with impurities)

Bumblebee Jasper

Calcite with Arsenic and Sulfur inclusions

Opalite

Synthetic Glass (Hydrated Silica Simulant)

Slag

Ferrous slag (by-product of iron smelting)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Asphalt (Bituminous Concrete)

Bituminous mix / Anthropogenic conglomerate

Obsidian

Volcanic Glass (SiO2 + impurities)