Calcite (likely honey/orange calcite)
Calcite — calcium carbonate, CaCO₃
mineral
Category
Sedimentary (Fossilized Organic Remain)
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Amber
Succinite (with formula approximately C10H16O)
Organic mineraloid
Amber
Succinite (fossilized resin)
Organic Mineraloid
Shark Tooth Fossil
Carcharodonta (order Lamniformes), likely Carcharias spp.
fossil
Fossilized Dinosaur Skull (Tyrannosaurus rex)
Tyrannosaurus rex (permineralized fossil), rich in Hydroxylapatite/Silica
sedimentary
Amber
Succinite (specifically for Baltic amber); approximate formula C10H16O
organic mineraloid
Tree Agate
Silicon Dioxide (SiO2) with Dendritic Inclusions
Mineral
Petrified Wood with Lichen
Silicified Wood (SiO2) colonized by crustose lichens
fossil
Fossilized Echinoid / Sea Urchin Internal Mold
Echinoidea internal cast (steinkern)
fossil
Amber
Fossilized Tree Resin (Successite)
fossil
Petrified Wood
Silicified Wood / Fossilized Wood (SiO2)
sedimentary
Amber
Succinicum (Organic Gemstone - Resinite)
mineraloid
Petrified Wood / Fossilized Wood
Silicified Wood (Silicon Dioxide - SiO2)
fossil
Crinoid Stem Fragment
Crinoid (Phylum Echinodermata, Class Crinoidea)
sedimentary
Kambaba Jasper
Stromatolite
sedimentary/fossil
Fossiliferous Limestone
Sedimentary rock containing Indeterminate Fossil remains (likely Crinoid stem or Bryozoan fragment)
fossil
Chert (Yellow Jasper variant)
Silicon Dioxide (SiO2)
sedimentary
Fossilized Shark Teeth
Otodus sp. (Eocene Sand Tiger/Mackerel Shark)
fossil
Amber
Succinite (specific to Baltic amber), fossilized tree resin
Organic Mineraloid
Fossil Snail
Gastropoda (fossilized)
fossil
Stromatolite (Jasper-replaced)
Fossilized Stromatolite (Cyanobacteria / Cryptozon / Silica SiO2)
sedimentary
Chert Arrowhead
Cryptocrystalline Quartz (SiO2)
sedimentary
Amber
Fossilized Tree Resin (C10H16O)
gemstone
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Fossilized Horn Coral
Rugosa (Rugose Coral)
fossil
Amber
Fossilized Tree Resin (C10H16O)
mineral
Coral Fossil (Hexagonaria)
Hexagonaria sp. (Silica-replaced)
fossil
Brain Coral Fossil
Family Mussidae or Merulinidae (Order Scleractinia)
sedimentary
Fossilized Crinoid Stem Segment
Crinoid (Phylum Echinodermata, Class Crinoidea)
sedimentary
Fossil Shark Tooth
Chondrichthyes (class); likely Lamniformes (order) fossilized in Apatite/Hydroxyapatite
fossil
Amber
Succinite (C10H16O)
mineral
Fossilized Coral (Petoskey Stone or Rugose Coral)
Antophyllum (Hexagonaria) or Scleractinia (CaCO3)
sedimentary
Fossilized Gastropod (Snail)
Class Gastropoda (internal mold or 'steinkern')
sedimentary
Amber
Succinite
Mineraloid
Amber
Succinite (approximate formula C10H16O)
mineraloid
Shark Tooth Fossil
Vertebrate fossilized tooth (various genera such as Carcharodon, Otodus, or Negaprion)
fossil
Baltic Amber (Black)
Succinite (Fossilized Tree Resin)
fossil
Fossil Snail
Gastropoda (fossilized)
fossil
Shark Tooth Fossil
Otodus sp. (possibly Cretalamna)
fossil
Amber
Succinite (specifically for Baltic amber; general formula C10H16O)
Mineraloid (Organic)
Fossiliferous Limestone (with Oyster Fossils)
Fossiliferous Calcarenite / Bivalve Mollusk Fossil
sedimentary
Fossil Shark Tooth
Elasmobranchii tooth fossil (e.g., Otodus / Carcharocles)
fossil