Baroque Pearl
Biogenic Calcium Carbonate (Aragonite/Conchiolin)
mineral
Category
Sedimentary (Biogenic Sediment Or Biological Remain)
Browse sedimentary (biogenic sediment or biological remain) specimens identified by the Rock Identifier community.
Amber
Succinite (with a generalized formula of C10H16O)
mineral
Amber
Succinite (specifically Baltic Amber) - Formula: C10H16O (approximate)
Organic Mineraloid
Amber
Succinite (specific to Baltic amber), fossilized tree resin
mineraloid
Amber
Succinite (C10H16O)
mineral
Amber
Succinite (specifically for Baltic amber); chemical formula approx. C10H16O
Organic Gemstone (fossilized resin)
Amber
Succinite (Fossilized Tree Resin)
Organic Mineraloid
Amber
Resinite / Fossilized Tree Resin
mineral
Amber
Succinite (C10H16O)
Organic Mineraloid
Amber
Succinite (fossilized tree resin)
mineraloid
Aragonite (Star Cluster or Twinned variety)
Aragonite (Calcium Carbonate, CaCO3)
mineral
Ambergris
Ambrein (C30H52O)
mineraloid / organic geological substance
Unknown Organic Object (likely a berry or fruit)
Not applicable; this is not a geological specimen. If it were a cranberry, its scientific name would be Vaccinium macrocarpon; if a cherry, it would be Prunus avium or Prunus cerasus.
Organic Material (likely a fruit or berry)
Queen Conch Shell (Biogenic Calcium Carbonate)
Aliger gigas (synonym Strombus gigas); Composition: Aragonite (CaCO3)
mineral
Pumice
Pumicite (Amorphous glass with varying chemical composition, often rhyolitic)
Igneous
Pumice
Vesicular volcanic glass (primarily SiO2 with Al2O3)
Igneous
Amber
Succinite (fossilized resin)
mineral
Amber
Succinite (specifically for Baltic amber); Chemical formula approximately C10H16O
mineral
Aragonite (Yellow/Honey Tumble)
Calcium Carbonate (CaCO3)
mineral
Amber
Succinite (Formula: C10H16O)
mineral
Snowflake Obsidian
Volcanic glass containing Spherulite inclusions (primarily Cristobalite, SiO2)
igneous
Quartzite and Chert
Silicon Dioxide (SiO2)
metamorphic and sedimentary
Amber
Succinite (specifically for Baltic amber); Approximate formula: C10H16O
Organic Gemstone (Mineraloid)
Megalodon Shark Tooth (Partial Fossil)
Otodus megalodon (fossilized in Calcium Phosphate/Apatite)
Mineral/Fossil
Amber
Succinite (with empirical formula approximately C10H16O)
Organic Mineraloid
Amber
Succinite
Organic Mineraloid
Amber
Succinite (specific to Baltic amber), fossilized tree resin
Organic Mineraloid
Kidney Stone (Medical Specimen)
Calcium oxalate monohydrate (Whewellite) / CaC2O4·H2O
Mineral (Biogenic)
Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)
N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)
Organic (if resin) or Synthetic (if glass); simulating Sedimentary or Metamorphic (for natural stones)
Popcorn
Zea mays everta (P. Wilson) (Botanical name for the corn variety)
Organic/Biogenic
Tahitian Black Pearl
Biogenic Calcium Carbonate (Aragonite/Conchiolin Mixture), CaCO3
mineral
Gold Nugget
Native Gold (Au)
mineral
Coal (most likely Bituminous or Anthracite)
Bituminous Coal (Grade of Coal), Anthracite (Grade of Coal)
Sedimentary Rock
Quartz / Quartzite Fragment
Silicon Dioxide (SiO2)
igneous, sedimentary, or metamorphic (mineral-based)
Shungite
Carbonaceous rock (primarily amorphous carbon)
Mineraloid
Dog (Sleeping)
Canis familiaris (or Canis lupus familiaris)
Organic/Biological
Halite
Halite (NaCl)
mineral
Sandstone or Limestone
Sedimentary Rock
Sedimentary
Sandstone or Siltstone
Arenite (if sandstone)
Sedimentary
French Bulldog (Blue Variety)
Canis lupus familiaris
Organic (Biological Organism)
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (with man-made markings)
Arenite (composed primarily of Quartz, SiO2)
sedimentary