Amber
Succinite (Fossilized Tree Resin), C10H16O
Organic Mineraloid
Category
Mineral And Organic Gemstone
Browse mineral and organic gemstone specimens identified by the Rock Identifier community.
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Red Jasper
Quartz (SiO2) with iron oxide inclusions
sedimentary
Baltic Amber (Butterscotch or Egg Yolk Variety)
Succinite (chemical formula: C10H16O)
Organic Gemstone (not a rock or mineral)
Melo Melo Pearl (or Golden Chalcedony / Yellow Jasper Sphere)
Non-nacreous calcium carbonate pearl (or SiO2 - Silicon Dioxide)
gemstone
Amber
Succiniferous organic material (Succinite)
fossil
Herkimer Diamond
Quartz (Silica - SiO2)
mineral
Amber
Succinite (C10H16O)
mineraloid
Sandstone
Arenite (SiO2 predominantly)
sedimentary
Glauconitic Sandstone
Glauconitic Sandstone with high Glauconite concentration ((K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2)
sedimentary
Septarian Nodule
Septarian Concretion (CaCO3 with Siderite/Limonite streaks)
sedimentary
Amber
Succinates (Fossilized Tree Resin)
fossil
Black Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Chert (Mudstone)
Microcrystalline Quartz (SiO2)
sedimentary
Amber
Succinite (specifically for Baltic amber; fossilized tree resin)
Organic (Sedimentary-associated)
Limestone with Fossil Fragments
Bioclastic Carbonate Rock (CaCO3)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Chert (specifically Brown Chert or Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Pearl (Biogenic Mineraloid)
Calcium carbonate (Aragonite) and Conchiolin, CaCO3
mineral
Chert (Flint Pebbles)
Microcrystalline Quartz (SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
fossil
Chert (Jasper/Mudstone variety with Oxidation)
Silicon dioxide (SiO2)
sedimentary
Freshwater Pearl
Calcium Carbonate (CaCO3) in the form of Aragonite and Calcite
gemstone
Fossilized Bone
Permineralized Vertebrate Bone
fossil
Glauconitic Sandstone
Glauconitic Quartz Arenite
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with fossil inclusions
sedimentary
Amber
Succinite (specific to Baltic amber), fossilized tree resin
Organic Mineraloid
Petrified Wood
Silicified wood (principally SiO2)
sedimentary
Amber
Succinite (specifically for Baltic amber); chemical formula approx. C10H16O
Organic Gemstone (fossilized resin)
Polished fossiliferous limestone
Bioclastic carbonate rock, primarily calcite (CaCO₃)
sedimentary
Chert / Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Amber
Succinite (with empirical formula approximately C10H16O)
Organic Mineraloid
Red Jasper
Silicon Dioxide (SiO2)
sedimentary
Chert (often called Jasper or Flint)
Microcrystalline Silica (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Fossilized Bone
Petrified Bone / Biogenic Sedimentary
fossil
Fossiliferous Limestone
Sedimentary Limestone (CaCO3) containing Crinoid or Brachiopod remains
fossil
Coquina / Shelly Sandstone
Calcareous Sandstone / Coquina
sedimentary
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Natural freshwater pearls
Pearl (nacreous calcium carbonate; chiefly aragonite, CaCO₃)
gemstone
Chert (White-Tan variety)
Silicon dioxide (SiO2) / Microcrystalline Quartz
sedimentary
Amber
Succinite
Organic mineraloid