Mineral (Or Mineraloid If Microcrystalline)

Amber

Succinite (with empirical formula approximately C10H16O)

Amber

Succinite (formula varies, primarily C10H16O)

Amber

Succinite (specifically Baltic Amber) - Formula: C10H16O (approximate)

Amber

Succinite (specifically for Baltic amber); approximate formula C10H16O

Amber

Succinite

Amber

Succinite (a Fossilized Tree Resin); Chemical formula is approximately C10H16O

Amber (likely a small polished amber piece)

Natural fossil resin; amber is an organic mineraloid, not a crystalline mineral. The image alone cannot confirm authenticity.

Amber

Succinite (with formula approximately C10H16O)

Slag

Ferrous slag (by-product of iron smelting)

Honey-colored amber (possibly copal)

Amber: fossilized tree resin, an organic mineraloid; composition varies, mainly carbon, hydrogen, and oxygen

Slag (Industrial Glass Slag)

Amorphous Silica / Ferro-silicate Slag

Amber

Succinite (specific to Baltic amber), fossilized tree resin

Cullet (Slag Glass)

Amorphous Silica (SiO2) with various metal oxide colorants

Pearl (in a decorative hair comb setting)

Calcium carbonate (CaCO3) primarily as Aragonite, bonded with Conchiolin

Man-made Glass (Tumbled/Shaped)

Amorphous Silicon Dioxide (SiO2) with metal oxide colorants

Libyan Desert Glass

Tektite (high-silica impact glass), SiO2 + tracing minerals

Amber (Burmite)

Fossilized tree resin (Succinite variant)

Opalite

Synthetic Glass, SiO2 base with metallic inclusions

Polished reddish-brown stone bead, possibly jasper

Likely iron-rich microcrystalline quartz (jasper; SiO₂), but the image is not sufficient for a confident identification

Amber

Succinite (C10H16O)

Chert / Flint

Microcrystalline Quartz (SiO2)

Goldstone (Brown)

Aventurine glass

Red jasper pebble

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored red by iron oxides

Yellow Chalcedony / Carnelian

Silicon Dioxide (SiO2)

Red jasper (likely tumbled)

Microcrystalline quartz, chiefly SiO₂, colored red by iron oxides

Synthetic Resin (Artificial Specimen)

Polyurethane or Polyester Resin

Banded Calcite (Onyx Marble / Travertine)

Calcium Carbonate (CaCO3)

Brecciated Jasper (Polished)

Silicon Dioxide (SiO2) with Iron Oxide Impurities

Polished red jasper pendant

Jasper, an opaque, microcrystalline variety of quartz (SiO₂), colored red by iron oxides

Polished banded stone, likely zebra jasper

Zebra jasper (banded microcrystalline quartz, chiefly SiO₂, with iron-oxide and carbonate impurities)

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Tumbled jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly chalcedony with iron-oxide impurities

Slag (Industrial Glass Slag)

Amorphous Silicate Glass (often containing Al, Ca, Mg, and Ti oxides)

Man-made Crystal (Lead Glass)

Lead oxide-doped Silica Glass (approx. SiO2 + PbO)

Red Slag Glass

Amorphous Silica (Industrial byproduct with metallic oxide dopants)

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Polished brown pebble

Unidentified tumbled stone; possibly brown jasper or agate (microcrystalline quartz, SiO₂)

Polished brecciated jasper

Microcrystalline quartz (SiO₂), likely iron-oxide-rich jasper

Polished brecciated jasper (likely picture jasper)

Silica-rich microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and clay inclusions

Polished orbicular jasper

Microcrystalline quartz (SiO₂) with iron-rich and altered volcanic inclusions

Banded chert or jasper pebble

Microcrystalline quartz (SiO₂), commonly with iron-oxide and clay impurities

Opalite

Synthetic Opalite Glass