Opalite
Man-made synthetic glass with opalescent effects (SiO2 + metal oxides)
mineraloid
Category
Mineraloid (Anthropogenic)
Browse mineraloid (anthropogenic) specimens identified by the Rock Identifier community.
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Amber
Succinite (C10H16O)
mineraloid
Pearl
Calcium Carbonate (Aragonite or Calcite) and Conchiolin
Mineraloid
Amber
Succinate (Succinite for Baltic varieties)
mineraloid
Amber (Baltic)
Succinith (Fossilized Tree Resin)
mineraloid
Amber
Succinite (organic fossilized resin)
mineraloid
Amber
Succinite (approximate formula C10H16O)
mineraloid
Cobalt Glass Slug (Cullet)
Man-made Silicate Glass with Cobalt Oxide (CoO)
mineraloid
Amber
Succinite (a specific common type) or Fossilized Tree Resin (C10H16O)
Mineraloid
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Amber
Succinite (C10H16O)
Mineraloid
Amber
Succinite (C10H16O)
mineraloid
Opal
Hydrated Silica (SiO2·nH2O)
mineraloid
Amber
Succinite
mineraloid
Fulgurite
Lechatelierite (Silica glass), typically SiO2
mineraloid
Black Pearl (Tahitian Type)
Aragonite / Conchiolin composite (CaCO3)
mineraloid
Fulgurite
Luechatelierite (SiO2 glass)
mineraloid
Amber
Succinicum (Formula: C10H16O)
Mineraloid
Amber
Succinit (C10H16O)
mineraloid
Amber
Succinates (Fossilized Tree Resin)
mineraloid
Amber
Succinates (Organic compound: C10H16O)
mineraloid
Amber
Succinicum (Organic Gemstone - Resinite)
mineraloid
Libyan Desert Glass
Natural Silica Glass (SiO2 with minor iron and titanium)
mineraloid
Amber
Succinite
Mineraloid
Tektite (Indochinite)
Tektite (High-silica impact glass)
mineraloid
Boulder Opal
Hydrated Silica (SiO2·nH2O)
mineraloid
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)
mineraloid
Blue Opal Inlay (Simulated/Lab-created)
Hydrated Amorphous Silica (SiO2·nH2O) with polymer resin
mineraloid
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
mineraloid
Ambergris
Ambergris (Coprolite-adjacent/Organic secretion)
mineraloid
Amber
Succinite (C10H16O)
mineraloid
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Cullet (Slag Glass)
Amorphous Silica (Industrial byproduct)
mineraloid
Amber (specifically Red or Cherry Amber)
Succinite (Resinite); Chemical formula: C10H16O
Mineraloid
Tektite
Tektite (high-silica natural glass)
Mineraloid
Precious Opal
Hydrated silica (SiO2·nH2O)
mineraloid
Black Opal
Hydrated Silica (SiO2·nH2O)
Mineraloid
Amber (and Cubic Zirconia)
Fossilized Tree Resin
mineraloid
Amber
Succinite (specifically for Baltic Amber), Formula: C10H16O
Mineraloid
Glass
Amorphous Silicon Dioxide (SiO2)
mineraloid
Black Pearl (Tahitian or Irradiated Type)
Organic gemstone (Calcium Carbonate with Conchiolin Binding)
mineraloid