Mineraloid (Man Made Glass)

Quartz Pebble (Beach Chalcedony)

Silicon Dioxide (SiO2)

Blue Slag Glass

Amorphous Silica (Industrial byproduct)

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Blue Slag Glass

Ferro-silicate glass (Slag)

Sandstone

Clastic Sedimentary Rock

Red gemstone ring, likely garnet or synthetic ruby

Possibly almandine garnet (Fe₃Al₂(SiO₄)₃) or corundum/ruby (Al₂O₃); image alone cannot distinguish

Amber

Succinates

Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Green Quartzite

Metamorphic Quartz Sandstone (SiO2)

Quartzite

Metamorphic Quartzite (primarily SiO2)

Quartzite

Metamorphic Quartzite (primarily SiO2)

Amber (Copal)

Succinate (Fossilized Tree Resin)

Common Green Opal

Amorphous Hydrous Silica (SiO2·nH2O)

Amber (Tumbled/Polished)

Succinite (Fossilized Tree Resin)

Amber

Succinates

Black Opal (Kalimaya)

Hydrated Silica (SiO2·nH2O)

Opal

Hydrated silica (SiO2 · nH2O)

Amber

Succinate (Fossilized Tree Resin)

Amber

Succinite (C10H16O)

Bumblebee Jasper

Anhydrite-Aragonite mixture with Orpiment and Realgar

Amber

Succinate (Fossilized Tree Resin)

Precious Opal

Hydrated Silica (SiO2·nH2O)

Amber

Succinite (fossilized tree resin)

Amber

Succinates (C10H16O)

Amber

Succinite (C10H16O)

Pearl

Calcium Carbonate (Aragonite or Calcite) and Conchiolin

Amber

Succinate (Succinite for Baltic varieties)

Amber (Baltic)

Succinith (Fossilized Tree Resin)

Amber

Succinite (organic fossilized resin)

Amber

Succinite (approximate formula C10H16O)

Amber

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

Amber

Succinate (Fossilized Tree Resin)

Amber

Succinate (Fossilized Tree Resin)

Amber

Succinite (C10H16O)

Amber

Succinite (C10H16O)

Opal

Hydrated Silica (SiO2·nH2O)

Amber

Succinite

Black Pearl (Tahitian Type)

Aragonite / Conchiolin composite (CaCO3)

Amber

Succinicum (Formula: C10H16O)

Amber

Succinit (C10H16O)

Amber

Succinates (Fossilized Tree Resin)

Amber

Succinates (Organic compound: C10H16O)