Amber
Succinite (Fossilized Tree Resin), C10H16O
Organic Mineraloid
Category
Organic (Non Geological)
Browse organic (non geological) specimens identified by the Rock Identifier community.
Amber
Succinite (specifically for Baltic amber); Complex mixture of organic compounds (C10H16O)
Organic Mineraloid
Red Coral
Corallium rubrum (Calcium Carbonate, CaCO3 with Carotenoid pigments)
Mineraloid (Organic Gemstone)
Natural Freshwater Pearl
Calcium Carbonate (Aragonite and Calcite), CaCO3
gemstone
Coal (Bituminous or Anthracite)
Carbonaceous Sedimentary Rock
sedimentary
Amber
Succinite (specifically for Baltic amber; fossilized tree resin)
Organic (Sedimentary-associated)
Baltic Amber
Succinite (Fossilized Resin)
fossil
Black glassy volcanic rock, likely scoria or obsidian
Vesicular basaltic scoria (probable); possibly dark obsidian
igneous
Borosilicate Glass (Manufactured)
SiO2 + B2O3 (Silicon dioxide and Boron trioxide)
Synthetic/Amorphous Solid
Dark brown flint/chert fragment
Microcrystalline quartz (SiO₂), often with minor chalcedony and impurities
sedimentary
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
mineral
Black Pearl (Tahitian Pearl)
Aragonite / Calcite (CaCO3) with Conchiolin
mineral
Amber
Succinite (organic gemstone, approx. C10H16O)
fossil
Amber
Resinite (Succinite if from the Baltic); Chemical Formula: C10H16O (approximate)
Organic Diamond/Gemstone (often associated with Sedimentary sequences)
Anthracite Coal
Anthracite (Carbon-based organic sedimentary/metamorphic rock)
metamorphic
Amber
Succinite (fossilized resin)
Organic Mineraloid
Amber
Succinite (fossilized tree resin)
mineral
Amber
Succinite (C10H16O)
gemstone
Amber (Cherry or Red variety)
Succinite (with various trace amounts of organic compounds)
Organic Gemstone (not a rock)
Bituminous Coal
Organic-rich sedimentary rock (Complex hydrocarbons)
sedimentary
Synthetic Costume Accessory (Non-Geological)
Polyester and Acrylic Fiber (Anthropogenic polymer)
Synthetic / Man-made textile
Amber
Succinite (fossilized resin)
mineral
Weathered dark flint (chert) pebble
Microcrystalline quartz (SiO₂), commonly called flint or chert
sedimentary
Shale
Shale (clay-sized silicate minerals)
sedimentary
Amber
Succinite (a fossilized organic resin containing succinic acid)
mineraloid
Beaded bracelet with likely quartz or glass beads
Uncertain; the pale beads may be quartz (SiO₂), but the image does not show diagnostic features
mineral
Amber
Fossilized Tree Resin (C10H16O)
gemstone
Tiny amber-colored crystal or mineral fragment
Indeterminate from image; possibly quartz, citrine, topaz, or iron-stained feldspar
mineral
Man-made Ceramic / Clay Figurine
Aluminosilicate Ceramic (Processed Clay)
Synthetic (not a rock or mineral)
Biological Specimen (Domestic Dog)
Canis lupus familiaris
Organic (Non-rock)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Amber
Succinite (Fossilized Tree Resin)
gemstone
Lignite (Brown Coal)
Humic Lignite (Carbonaceous sedimentary rock)
sedimentary
Sandstone (Weathered Coastal Boulder)
Arenite (composed primarily of SiO2)
sedimentary
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Gold nugget or gold-bearing fragment
Native gold (Au), possibly gold-colored metal or coated material
mineral
Melo Melo Pearl (or Golden Chalcedony / Yellow Jasper Sphere)
Non-nacreous calcium carbonate pearl (or SiO2 - Silicon Dioxide)
gemstone
Shale or Siltstone
Sedimentary Clastic Rock (Variable mineral composition including quartz and clay minerals)
sedimentary
Baltic Amber (Black)
Succinite (Fossilized Tree Resin)
fossil
Tumbled fossiliferous limestone
Micritic limestone, likely bioclastic/fossiliferous carbonate rock (predominantly CaCO₃)
sedimentary
Pink Opal
Hydrated Amorphous Silica (SiO2·nH2O)
mineraloid
Abbey Bominable (Monster High character)
Anthropomorphic Yeti / Digital Animation
not a rock (animated character)