Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Category
Synthetic Polymer (Synthetic Material)
Browse synthetic polymer (synthetic material) specimens identified by the Rock Identifier community.
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Diamond
Diamond (pure carbon; C)
Mineral
Bismuth
Bismuth (Bi)
mineral
Sodalite
Sodalite (Na4Al3Si3O12Cl)
Mineral
Amber
Succinite (fossilized resin)
mineral
Amber
Fossilized Tree Resin (C10H16O)
gemstone
Aquamarine
Aquamarine (Beryl variety); Be3Al2Si6O18
mineral
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Synthetic Glass (Man-made)
Moonstone
Adularia or Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8), specifically with lamellar exsolution of albite and orthoclase.
mineral
Crystal Quartz Beads (likely Clear Quartz)
Quartz (SiO₂)
Mineral
Amber
Succinite (organic gemstone, approx. C10H16O)
fossil
Amber
Succinite (amorphous organic polymer)
mineral
Amber with dark mineral/organic inclusions
Fossilized plant resin (amber; chiefly polymerized diterpenoid resin)
gemstone
Shale with Vein Infillings
Shale (a fine-grained clastic sedimentary rock). The veins could be Calcite (CaCO3), Quartz (SiO2), or other minerals.
Sedimentary Rock
Amber
Succinite (Fossilized Tree Resin)
gemstone
Cardstock (Paper)
Cellulose (C6H10O5)n
sedimentary (man-made)
Amber
Succinite
mineral
Amber
Fossilized Tree Resin (Succinite)
mineraloid
Faceted Glass (Costume Jewelry)
Amorphous Silicon Dioxide with colorants (Glass)
Synthetic/Man-made Material
Amber
Succinite (Resinite)
mineraloid
Blue Tiger's Eye
Riebeckite (crocidolite variety)
Mineral
Ruby
Corundum (mineral species), variety: Ruby (Al2O3 with Cr3+ as the chromophore)
Mineral
Amber
Succinates (fossilized tree resin), approximately C10H16O
organic gemstone
Tumbled amber
Amber (fossilized plant resin), chiefly polymerized diterpenoid resin
gemstone
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
Synthetic/Consumer Product
Slag Glass (Cullet)
Amorphous Silica (man-made), primarily SiO2 with trace metal oxides
Mineraloid / Synthetic Glass
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Mineral alternative / Synthetic
Man-made Blank Ammunition (Brass)
CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)
Anticrystalline / Synthetic Alloy
Borosilicate Glass (Manufactured)
SiO2 + B2O3 (Silicon dioxide and Boron trioxide)
Synthetic/Amorphous Solid
Wollastonite
Calcium Inosilicate, CaSiO3
mineral
Amber
Succinite (C10H16O)
mineral
Amber
Succinite (C10H16O)
gemstone
Polished amber
Amber (fossilized plant resin; chiefly polymerized diterpenoid resin)
gemstone
Jet
Lignite coal variant (hydrocarbon polymer)
sedimentary
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Mineral
Amber
Succinite (fossilized tree resin)
mineraloid / sedimentary organic material
Amber
Succinite (Fossilized Resin)
mineral
Amber
Fossilized Tree Resin (Organic Polymer)
gemstone
Amber in Matrix
Succinite (Carbon-based organic polymer)
Organic (Sedimentary context)
Amber
Succinicum (Organic polymer, largely C10H16O)
Organic Mineral
Sapphire
Corundum (Al₂O₃) with trace elements causing color variations.
Mineral
Apatite
Apatite group mineral (e.g., Fluorapatite - Ca5(PO4)3F, Chlorapatite - Ca5(PO4)3Cl, Hydroxylapatite - Ca5(PO4)3(OH))
mineral