Petrified Wood
Silicified wood (Quartz/Chalcedony)
Sedimentary
Category
Sedimentary (Fossilized)
Browse sedimentary (fossilized) specimens identified by the Rock Identifier community.
Mookaite Jasper
Siliceous sedimentary rock (variety of Jasper/Chert)
Sedimentary Rock
Amber
Succinite (Resin)
mineral
Amber
Succinite (C10H16O)
mineral
Amber
Succinite (Formula: C10H16O)
Organic Mineraloid
Amber
Succinite
Organic Mineraloid
Amber
Succinite (specifically for Baltic amber); C10H16O (Variable organic compound)
mineral
Coal (most likely Bituminous or Anthracite)
Bituminous Coal (Grade of Coal), Anthracite (Grade of Coal)
Sedimentary Rock
Amber
Succinite (C10H16O)
Mineraloid (Organic)
Amber
Succinite (a variety of fossilized tree resin); chemical formula appx. C10H16O
mineraloid
Amber (Copal)
Organic gemstone, fossilized tree resin (often immature amber or copal)
Mineral
Amber
Succinite (C10H16O)
mineraloid
Amber
Fossilized tree resin (not a true mineral as it is organic and amorphous); Chemical formula is highly variable, but often approximated as C10H16O.
Mineral
Fulonite (Fulgurite-like)
Fulgurite (SiO2 fused silica/lechatelierite)
Metamorphic (Pseudo-igneous)
Amber
Succinite (specifically for Baltic amber); chemical formula approx. C10H16O
Organic Gemstone (fossilized resin)
Amber (Dark/Black Variety)
Succinite (Resinite), C10H16O
mineral
Amber
Fossilized Tree Resin (Generic formula roughly C10H16O)
mineral
Amber
Succinite (C10H16O)
mineral
Amber
Succinite
mineral
Amber
Succinite (organic mineraloid); Chemical formula: C10H16O
mineral
Amber
Succinite (specifically for Baltic amber); approximate formula C10H16O
Mineraloid
Amber
Succinite (specific to Baltic amber), fossilized tree resin
Organic Mineraloid
Amber
Succinite (C10H16O)
Organic Mineraloid
Amber
Succinite (Formula: C10H16O)
mineral
Amber
Amber (Amorphous Organic Hydrocarbon)
mineral
Amber
Succinicum (Organic polymer, largely C10H16O)
Organic Mineral
Amber
Succinite (specific to Baltic amber), fossilized tree resin
mineraloid
Amber
Succinite (with empirical formula approximately C10H16O)
Organic Mineraloid
Amber
Succinite (C10H16O)
mineraloid
Sandstone
Sandstone (arenite is a more specific geological term for a clean sandstone, while wacke refers to a dirty sandstone with significant matrix)
Sedimentary
Amber
Succinite (with a generalized formula of C10H16O)
mineral
Amber
Succinite (Approximate formula: C10H16O)
Mineraloid
Amber with Inclusion
Succiniferous fossil resin (C10H16O)
mineraloid
Bivalve Shell (Fossil or Contemporary)
Class Bivalvie (various genera and species of clams, cockles, etc.)
Sedimentary (Biogenic sediment or biological remain)
Sandstone or Siltstone
Arenite (if sandstone)
Sedimentary
Shale or Slaty Mudstone
Argillaceous sedimentary rock
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Chert Breccia
Brecciated Chert (Microcrystalline Silica)
sedimentary
Sandstone (Quartz-rich)
Arenite (SiO2)
sedimentary
Sandstone (with man-made markings)
Arenite (composed primarily of Quartz, SiO2)
sedimentary
Shale (Beach-worn)
Laminated Pelite (primarily clay minerals and quartz)
sedimentary
Sandstone (Picture Sandstone)
Arenite (primarily SiO2)
sedimentary