Amber
Succinite (C10H16O)
mineral
Category
Organic Mineraloid And Mineral
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Amber
Succinite
Organic Gemstone (sedimentary associations)
Fossilized Shark Tooth (fragment)
Elasmobranchii (Class) fossil
fossil
Fossil gastropod shell
Fossilized marine gastropod; exact genus/species cannot be determined from the image
fossil
Mocha Stone (Dendritic Agate)
Silicon Dioxide (SiO2) with Manganese/Iron inclusions
sedimentary
Tufa
Calcareous Tufa (CaCO3)
sedimentary
Petrified Wood and Mixed Rocks
Silicified Wood (SiO2)
fossil
Moss Agate
Silicon Dioxide with inclusions (SiO2)
mineral
Orbicular granite (likely Rapakivi-type granite)
Granite, chiefly quartz, alkali feldspar, plagioclase, and biotite/hornblende
igneous
Fossilized Shark Tooth or Bone Fragment
Vertebrate Fossil (likely Carcharodon or similar genus)
fossil
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
mineral
Moss Agate
Chalcedony (SiO2 with inclusions)
mineral
Amber
Succinite (Fossilized Resin)
gemstone
Amber
Succinite (Resin C10H16O)
mineral
Slag
Ferrous slag (by-product of iron smelting)
Mineraloid / Anthropogenic
Sandstone with Algae Growth
Arenite with Chlorophyta/Lichen
sedimentary
Pyrite (Fool's Gold) in Matrix
Iron Disulfide (FeS2)
mineral
Sandstone
Sandstone (Siliciclastic Sedimentary Rock)
sedimentary
Blue Apatite
Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))
mineral
Sandstone
Arenite
sedimentary
Sandstone
Arenite
sedimentary
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz Pebble (with Iron Inclusions)
Silicon Dioxide (SiO2)
mineral
Fossilized Vertebra
Chordata fossil (Vertebra)
fossil
Green Slate or Metamorphic Rock with Moss/Lichen
Metamorphic rock / Phyllite or Slate variant
metamorphic
Fossiliferous Limestone / Petrifaction
Sedimentary rock with fossil inclusions / Calcium Carbonate (CaCO3)
fossil
Ironstone Concretion (Moqui Marble / Boji Stone)
Sedimentary Iron Oxide Concretion (Fe2O3 / FeO(OH))
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Amber
Succinite (a common variety of fossilized resin)
mineral
Amber
Succinite (fossilized resin)
mineral
Fossil Shark Tooth
Otodus sp. or Carcharocles sp. (likely fossilized Chondrichthyes)
fossil
Sandstone
Sandstone (SiO2-dominated clastic rock)
sedimentary
Fossilized Bone
Permineralized Vertebrate Fossil
sedimentary
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Fossilized Shell
Invertebrate fossil (Bivalvia or Brachiopoda)
fossil
Fossil Shell
Brachiopod or Mollusk fossil
fossil
Grass (Organic Matter/Soil)
Poaceae (family of monocotyledonous flowering plants)
Organic Materia (Not a rock or mineral)
Fossilized Shark Tooth
Carcharocles or Otodus sp. (Micro-fossilized)
sedimentary
Moss Agate
Silicon Dioxide with inclusions (SiO2 + Mn/Fe/Chlorite)
mineral
Green Moss Agate
Agate (Silicon Dioxide, SiO2) with inclusions of hornblende or chlorite
mineral
Quartz vein in host rock
Quartz (SiO₂), likely in a weathered carbonate or sedimentary matrix
mineral