Wonderstone Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Category
Minerals
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Tiger's Eye
Pseudomorph of quartz after crocidolite (SiO2 with iron inclusions)
metamorphic
Sandstone
Arenite (SiO2 based)
sedimentary
Ironstone Concretion (Moqui Marble type)
Iron oxide concretion (Goethite/Hematite and Sandstone)
sedimentary
Conglomerate
Clastic Sedimentary Conglomerate (SiO2, CaCO3 dominant)
sedimentary
Granitic Sand
Detrital sediment (predominantly Quartz, Feldspar, and Mica)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Septarian Nodule
Septarian Concretion (CaCO3 with Siderite/Calcite)
sedimentary
Chert (Iron-stained)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Chert Breccia (with Iron Staining)
Microcrystalline Quartz (SiO2) with iron oxides (Limonite/Goethite)
sedimentary
Iron Ore (Hematite/Goethite)
Ironstone (Fe2O3 / FeO(OH))
sedimentary
Petrified Wood
Silicified wood (Quartz, Chalcedony, or Opal)
sedimentary
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Moqui Marble
Iron Oxide Concretion (Hematite/Goethite-cemented Sandstone)
sedimentary
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
metamorphic
Tiger Iron
Tiger Iron (Composition: SiO2, Fe2O3, Fe3O4)
metamorphic
Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Botryoidal Chalcedony (likely Chert or Agatized Coral)
Silicon Dioxide (SiO2)
mineral
Quartz (Clear/Milky)
Silicon Dioxide (SiO2)
mineral
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Serpentinite
Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)
metamorphic
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)
mineral
Ruby
Corundum (Al2O3) with Chromium traces
mineral
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Granite
Phaneritic Felsic Igneous Rock
igneous
Porphyritic Basalt (with Amygdules)
Amygdaloidal Porphyritic Basalt
igneous
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Kyanite (Purple variety)
Kyanite (Al₂SiO₅)
metamorphic
Galena
Lead(II) sulfide (PbS)
mineral
Granite
Granite (felsic intrusive igneous rock)
igneous
Chrysocolla
Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Basalt (Amygdaloidal)
Amygdaloidal Basalt
igneous
Greenstone with Magnetite Veins
Metabasalt (Greenstone)
metamorphic
Fossiliferous Rock (likely Dinosaur Fossil in Matrix)
Permineralized Vertebrate Fossil (Calcium Carbonate/Silica replaced bone material)
sedimentary
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
igneous
Schist
Mica Schist (contains muscovite/biotite and quartz)
metamorphic
Quartz (with Iron staining)
Silicon Dioxide (SiO2)
mineral