Tumbled amber
Amber (fossilized plant resin), commonly succinite; organic mineraloid
Category
Browse mineralogical simulant specimens identified by the Rock Identifier community.
Tumbled amber
Amber (fossilized plant resin), commonly succinite; organic mineraloid
Amber-bearing rough specimen
Fossilized plant resin (amber; organic mineraloid), commonly succinite
Small yellow-orange mineral fragment, likely amber or iron-stained quartz
Possibly amber (fossilized resin; organic mineraloid) or quartz (SiO₂)
Obsidian
Volcanic Glass (Silica-rich glass)
Obsidian
Volcanic glass
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Obsidian
Volcanic Glass
Obsidian
Volcanic glass
Obsidian
Volcanic Glass
Obsidian
Volcanic Glass
Mahogany Obsidian
Volcanic glass (high silica) with inclusions of Magnetite or Hematite
Obsidian
Volcanic glass (SiO2 + impurities)
Yellow amber beads
Amber (fossilized tree resin; organic mineraloid, not a true mineral)
Yellow-orange amber
Fossilized tree resin; amber is an organic mineraloid, not a true mineral
Amber (polished piece)
Fossilized tree resin; amber is an organic mineraloid, not a true mineral
Polished amber inclusion specimen
Amber (fossilized plant resin), commonly succinite; organic mineraloid
Gemstone Tree Brooch (Agate and Quartz)
Silicon Dioxide (SiO2)
Wood Paneling
Engineered Wood / Plywood Paneling
Obsidian
Volcanic Glass
Limonite or Ironstone Nodule
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
Black Obsidian
Volcanic Glass (predominantly SiO2)
Fursuit (Synthetic Fur Specimen)
Canis anthropomorphus syntheticus
Black Opal Ring (Carved Opal)
Hydrated Silicon Dioxide (SiO2·nH2O)
Opal (Precious Opal)
Hydrated Silica (SiO2·nH2O)
Obsidian
Volcanic Glass
Black Obsidian
Volcanic Glass (Amorphous SiO2)
Black Obsidian
Volcanic Glass (Amorphous SiO2 with trace impurities)
Dyed Crackle Quartz (Green)
Quenching-treated Quartz (Silicon Dioxide, SiO2)
Fire Opal (in Matrix)
Hydrated Silica (SiO2·nH2O)
Obsidian
Volcanic Glass (Amorphous silicon dioxide with impurities)
Black Obsidian
Volcanic glass
Obsidian
Volcanic Glass
Obsidian
Volcanic Glass (SiO2 + impurities)
Fulgurite
Fulgurite (Lechatelierite)
Black Obsidian
Volcanic Glass (SiO2 + impurities)
Precious Opal
SiO2·nH2O (Hydrated Silicon Dioxide)
Obsidian
Volcanic Glass
Tumbled black stone, likely black obsidian
Obsidian — volcanic glass, primarily SiO₂
Gold Sheen Obsidian
Volcanic Glass (SiO2 + Fe3O4 / Gas Inclusions)
Red Sandstone
Clastic Sedimentary Mineraloid (predominantly Quartz grains with Iron Oxide cement)
Obsidian
Obsidian
Obsidian
Volcanic glass