Conglomerate
Conglomerate (Clastic sedimentary rock)
Category
Browse organic material (likely a fruit or berry) specimens identified by the Rock Identifier community.
Conglomerate
Conglomerate (Clastic sedimentary rock)
Amber
Fossilized tree resin (Amorphous)
Conglomerate
Conglomerate
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Conglomerate
Conglomerate (clastic sedimentary rock)
Fossil Shark Tooth
Chondrichthyes (class)
Limonite
Limonite (Hydrated iron(III) oxide-hydroxide) FeO(OH)·nH2O
Conglomerate
Conglomerate
Chert / Microcrystalline Quartz
Chert (SiO2)
Fossil Snail
Gastropoda fossil
Quartzite pebble
Quartzite (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (specifically Flint or Common Chert)
Silicon dioxide (SiO2) - Microcrystalline quartz
Chert / Flint
Chert (Cryptocrystalline Silica, SiO2)
Chert (and Flint variant)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Rose Quartz
Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Chert (Polished/Worn)
Microcrystalline quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Rough amethyst-bearing quartz specimens
Quartz, SiO₂; purple coloration from trace iron and irradiation
Chert (Pink variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (Basanite / Flint)
Microcrystalline Quartz (SiO2)
Fossilized Dinosaur Skull (Tyrannosaurus rex)
Tyrannosaurus rex (permineralized fossil), rich in Hydroxylapatite/Silica
Geode (Unopened)
Vug or Geode (primarily Silicon Dioxide, SiO2)
Chert (Jasper/Flint variety)
Cryptocrystalline Quartz (SiO2)
Chert (Flint Nodules)
Microcrystalline quartz (SiO2)
Chert (variations include Flint or Jasper)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Green aventurine beads
Quartz (SiO₂), typically green quartzite/aventurine with fuchsite mica inclusions
Shale with Coprolite influence
Argillaceous sedimentary rock (Shale/Mudstone)
Chert (varieties include Flint and Jasper)
Silicon dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chondrite Meteorite
L or H Ordinary Chondrite
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline quartz (SiO2)
Chert (Chert Nodule in Limestone)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Green Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (often called Flint)
Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Flint Pebbles)
Chert (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Basanite / Flint)
Microcrystalline silica (SiO2)