Chert (Flint Nodules)
Silicon Dioxide (SiO2)
sedimentary
Category
Mineral, Organic Gemstone
Browse mineral, organic gemstone specimens identified by the Rock Identifier community.
Learn about Mineral, Organic Gemstone in the encyclopedia
View all →
Amber
Succinite (C10H16O)
mineraloid
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
sedimentary
Amber (likely raw amber)
Fossilized tree resin; organic mineraloid, commonly containing succinite (not a true mineral)
gemstone
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Fossil Coral
Phylum Cnidaria / Rugosa or Tabulata
fossil
Petrified Wood
Silicified Paleoxylon (SiO2)
fossil
Amber
Succinite (specifically for Baltic Amber), Formula: C10H16O
Organic Gemstone (often associated with Sedimentary sequences)
Red Jasper
Quartz (SiO2) with iron oxide inclusions
sedimentary
Chert
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Amber
Succinite (C10H16O)
mineraloid
Chert / Chalcedony
Silicon Dioxide (SiO2)
sedimentary
Melo Melo Pearl (or Golden Chalcedony / Yellow Jasper Sphere)
Non-nacreous calcium carbonate pearl (or SiO2 - Silicon Dioxide)
gemstone
Polished fossil bone fragment
Fossilized bone, likely mammalian or reptilian; exact taxon cannot be determined from the image
fossil
Amber Dragonfly Brooch
Succinited (Baltic Amber)
fossil
Red Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Amber
Succinite (C10H16O)
Mineraloid (Organic)
Amber
Succinite (Fossilized Tree Resin), C10H16O
Organic Mineraloid
Petrified Wood
Silicified Wood (SiO2)
mineral
Herkimer Diamond
Quartz (Silica - SiO2)
mineral
Black Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Amber
Succinite
Organic Gemstone (sedimentary associations)
Red Coral (Precious Coral)
Corallium rubrum (Calcium Carbonate, CaCO3)
gemstone
Amber
Succinited (C10H16O)
fossil
Amber
Succinite (Fossilized Tree Resin)
mineraloid
Amber
Resinite (Succinite if from the Baltic); Chemical Formula: C10H16O (approximate)
Organic Diamond/Gemstone (often associated with Sedimentary sequences)
Chert (Mudstone)
Microcrystalline Quartz (SiO2)
sedimentary
Amber (possibly polished or rough amber)
Natural fossil resin; not a mineral, with variable organic composition dominated by polymerized terpenes
gemstone
Amber
Succinite (specifically for Baltic amber; fossilized tree resin)
Organic (Sedimentary-associated)
Kidney Stone
Nephrolithiasis (Calcium Oxalate, Hydroxyapatite, or Uric Acid)
mineral
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Amber
Succinates (Fossilized Tree Resin)
fossil
Chert (specifically Brown Chert or Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Amber
Succinit (C10H16O)
mineraloid
Baltic Amber (Butterscotch or Egg Yolk Variety)
Succinite (chemical formula: C10H16O)
Organic Gemstone (not a rock or mineral)
Soil with Mineral Detritus and Quartz Fragments
Regolith / Silicate Mineral Aggregate
sedimentary
Chert (Flint Pebbles)
Microcrystalline Quartz (SiO2)
sedimentary
Fossilized Bone
Permineralized Vertebrate Bone
fossil
Chert (Jasper/Mudstone variety with Oxidation)
Silicon dioxide (SiO2)
sedimentary
Red Jasper
Silicon Dioxide (SiO2)
sedimentary
Fossilized Bone
Petrified Bone / Biogenic Sedimentary
fossil