Fancy Jasper
Silicon Dioxide (SiO2) with iron and organic inclusions
sedimentary
Category
Anthropogenic Sedimentary Style Organic Solid
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River Stone (likely Mudstone or Siltstone)
Lutite (Clastic sedimentary rock composed of clay and silt-sized particles)
sedimentary
Septarian Nodule or Mud Crack Fossil
Septarian Nodule (Concretion)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Jasper (Mookaite variety likely)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Banded Chert (Ironstone/Jasper)
Cryptocrystalline Quartz (SiO2) with Iron Oxides
sedimentary
Septarian Nodule (Dragon Stone)
Septarian Concretion (CaCO3 with Siderite and Calcite)
sedimentary
Chert (variations include Flint or Jasper)
Silicon Dioxide (SiO2)
sedimentary
Septarian Nodule (Dragon Stone)
Septarian Geode (CaCO3 + Mg + Fe)
sedimentary
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Brecciated or Veined)
Silicon Dioxide (SiO2)
sedimentary
Petrified Rugose Coral (Horn Coral)
Order Rugosa (extinct coral)
sedimentary
Tufa (Calcareous Tufa)
Calcareous Tufa (CaCO3)
sedimentary
Amber / Copal
Fossilized Tree Resin (Succinate)
Mineraloid
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Mineral
Graphite
Graphite (C)
mineral
Amber Inlay Jewelry
Fossilized Resin (C10H16O)
Organic Gemstone (Biogenic)
Fossilized Sand Tiger Shark Tooth
Carcharias taurus / Striatolamia macrota (mineralized as Hydroxylapatite/Francolite)
sedimentary (fossil)
Pickled Dragon Eggs (Fictional Interpretation: Purple Agate or Amethyst Geodes)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Bioclasts
sedimentary
Petrified Wood
Silicified Wood (primarily SiO₂ / Silicon Dioxide)
mineral
Limestone (Weathered)
Calcium Carbonate (CaCO3)
sedimentary
Pyrite
Pyrite (Iron Disulfide), FeS2
Mineral
Arid Sandy Loam
Arenosols / Regosols
sedimentary
Chert (Smooth River Pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Yellow Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2) with iron oxide (Limonite/Goethite) inclusions
sedimentary
Jasper with Quartz Vein
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Chert (Jasper-bearing)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Fossil Coral (Favosites Honeycomb)
Favosites (Genus), Phylum Cnidaria, Class Anthozoa
sedimentary
Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2) with impurities of Hematite or Goethite
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Amber
Succinite (with formula approximately C10H16O)
Organic mineraloid
Jasper (Petrified Wood variant)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Grey and White Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Stromatolite (Jasper-replaced)
Fossilized Stromatolite (Cyanobacteria / Cryptozon / Silica SiO2)
sedimentary
Chert (specifically Tan/Yellow Chert)
Chert (Microcrystalline or Cryptocrystalline Silica, SiO2)
sedimentary
Petrified Wood
Silicified wood (Quartz, SiO2)
metamorphic
Amber (specifically Cherry Amber)
Succinite (with the chemical formula C10H16O)
Organic Gemstone (not a mineral)
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Coal (specifically Bituminous or Anthracite)
Organic sedimentary rock; primarily Carbon (C) with varying H, S, O, N
sedimentary
Septarian Nodule
Septarian Concretion (CaCO3 with Siderite/Calcite/Aragonite)
sedimentary