Precious Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
Category
Browse organic gemstone (succinite) specimens identified by the Rock Identifier community.
Precious Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (Flint Nodules)
Silicon Dioxide (SiO2)
Pearl
Calcium Carbonate (CaCO3) - Aragonite/Calcite organic gemstone
Chert (Flint)
Microcrystalline Quartz (SiO2)
Shungite
Non-crystalline carbonoid (Shungite)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Blue Apatite
Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))
River Jasper (Chert/Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
Petrified Wood
Silicified Wood (SiO2)
Pearl
Calcium Carbonate (CaCO3) - Aragonite/Calcite
Black Jasper
Silicon Dioxide (SiO2) with impurities
Amber with inclusion
Amber (Fossilized Tree Resin)
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxide
Jasper
Silicon dioxide (SiO2)
Picture Jasper
SiO2
Chert (Brown Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint)
Chert (Silicon Dioxide, SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified wood (primarily Silicon Dioxide, SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Red Chert
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper variant)
Silicon Dioxide (SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Chert (specifically Brown Chert or Jasper)
Microcrystalline Quartz (SiO2)
Chert (White Flint)
Silicon Dioxide (SiO2)
Red Coral
Corallium rubrum
Jasper
Jasper (Silicon Dioxide, SiO2)
Amber
Fossilized Tree Resin (Generic formula roughly C10H16O)
Chert (Iron-stained or Dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Pearl
Aragonite / Calcium Carbonate (CaCO3)
Pearl
Calcium Carbonate (Aragonite/Calcite mixed with Conchiolin), CaCO3
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (Jasper transition)
Microcrystalline Quartz (SiO2)
Pearl
Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3
Amber
Succinicum (Organic polymer, largely C10H16O)
Chert (Black Chert / Flint)
Silicon Dioxide (SiO2)
Chert (Nodular)
Microcrystalline Silica (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (Mudstone)
Microcrystalline Quartz (SiO2)
Chert (Basanite / Jasperoid)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)