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