Turquoise, Pearl, and Coral Necklace
CuAl6(PO4)4(OH)8·4H2O (Turquoise) / CaCO3 (Pearl and Coral)
Category
Browse organic gemstone (succinite) specimens identified by the Rock Identifier community.
Turquoise, Pearl, and Coral Necklace
CuAl6(PO4)4(OH)8·4H2O (Turquoise) / CaCO3 (Pearl and Coral)
Chert (variant Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Yellow Jasper / Chert
Jasper (Silica/Quartz) - SiO2
Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2) / Microcrystalline Quartz
Chert (specifically Tan Chert or Flint)
Silicon Dioxide (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline silica (SiO2)
Chert Nodule
Microcrystalline Silica (SiO2)
Chert (Jasper/Jasperoid)
Chert (chemically precipitated microcrystalline Quartz, SiO2)
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Red Chert (Jasper)
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
Chert (Flint)
Chert (Microcrystalline Silica, SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Flint/Jasper)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Paleoxylon (SiO2)
Jasper
Jasper (Silicon Dioxide) - SiO2
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxides
Chert (Yellow/Tan)
Microcrystalline Quartz (SiO2)
Chert (often called Flint in dark varieties)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Common Chert)
Silicon dioxide (SiO2) - Microcrystalline quartz
Jasper (Petrified Wood variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
Petrified Wood
Silicified wood (Quartz/Chalcedony - SiO2)
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
Chert (Jasper)
Cryptocrystalline Quartz (SiO2)
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Agate nodule)
Cryptocrystalline Quartz (SiO2)
Chert (Blue-Gray Chert)
Microcrystalline quartz (SiO2)
Chert (specifically Red Chert / Jasper)
Silicon Dioxide (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Jasper)
Cryptocrystalline quartz (SiO2)
Chert (White Chert or Flint)
Microcrystalline or cryptocrystalline quartz (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Anthracite Coal
Anthracite (Carbon-rich metamorphic coal)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Red Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)