Sandstone Pebble
Arenite
Category
Browse sedimentary (fossilized organic remains) specimens identified by the Rock Identifier community.
Sandstone Pebble
Arenite
Amber
Succinite (approximate formula C10H16O)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Chert (River Pebble)
Microcrystalline quartz (SiO2)
Fossil Coral
Fossilized Scleractinia or Tabulata (various genera/species)
Fossilized Shark Tooth
Chondrichthyes (Class) - likely Carcharodon or Otodus genus
Red Amber (Burmite/Cherry Amber)
Succinite / Retinite (Organic Fossilized Resin, C10H16O)
Chert (specifically Flint or Gray Chert)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone
Clastic sedimentary rock
Fossil Shark Tooth
Chondrichthyes (class)
Amber
Fossilized Tree Resin (Succinite for Baltic varieties)
Amber
Succinate (Succinite for Baltic varieties)
Amber
Succinite (approximate formula C10H16O)
Ironstone Concretion
Siderite or Hematite Concretion
Fossilized Crinoid Stem in Matrix
Crinoid (Class: Crinoidea)
Chert (River Pebble)
Silicon Dioxide (SiO2)
Yellow Chert
Chert (Cryptocrystalline Quartz, SiO2)
Amber
Succinite (a specific common type) or Fossilized Tree Resin (C10H16O)
Chert (varieties include Flint and Mudstone)
Microcrystalline Silica (SiO2)
Petrified Coral (Agatized Coral)
Fossilized Anthozoa (Silicon Dioxide replacement - SiO2)
Limestone
Calcareous sedimentary rock (CaCO3)
Chert (v. Flint)
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (potentially Jasper)
Microcrystalline Quartz (SiO2)
Chert (Yellow Chert/Flint)
Silicon Dioxide (SiO2)
Chert (Jasper-like Silicate)
Microcrystalline quartz (SiO2)
Chert (and/or Chalcedony)
Microcrystalline Silica (SiO2)
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2)
Chert (Jasper focus)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Chert (often called Flint or Jasper)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Cryptocrystalline Quartz (SiO2)
Chert (White Chert)
Silicon Dioxide (SiO2)
Chert Nodule
Microcrystalline Quartz (SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)