Green Aventurine in Host Rock
Quartz (SiO2) with Fuchsite inclusions
mineral
Category
Mineral (Synthetic)
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Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Charoite
Charoite (K(Ca,Na)2Si4O10(OH,F)·nH2O)
metamorphic
Amazonite
K(AlSi3O8) - Lead-bearing Microcline (Tectosilicate)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Prehnite
Prehnite Ca2Al2Si3O10(OH)2
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Limonite (Iron Ore/Hydrated Iron Oxide)
Limonite (mixture of FeO(OH)·nH₂O minerals, mainly Goethite, FeO(OH) and Lepidocrocite, FeO(OH))
Mineral
Sandstone
Sandstone (clastic sedimentary rock)
Rock
Rutilated Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2 with Epidote/Tourmaline inclusions
mineral
Mica (Lepidolite or Muscovite)
Phyllosilicate mineral (KAl2(AlSi3O10)(OH)2 for Muscovite)
mineral
Himalayan Pink Salt
Halite (NaCl) with trace minerals (Iron, Magnesium, Potassium)
mineral
Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate)
Mixed Silicates and Oxides (predominantly SiO2 group minerals)
mineral
Quartz / Quartzite
Silicon Dioxide (SiO2)
Mineral / Metamorphic
Polished Black Obsidian
Volcanic Glass (70-75% SiO2)
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
mineral
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Quartz (Smoky/Milky)
Silicon Dioxide (SiO2)
mineral
Mosasaur Tooth Fossil
Mosasauridae (likely Prognathodon or Mosasaurus)
fossil
Fossilized Shark Tooth
Carcharodon carcharias (fossilized) / Hydroxyapatite permineralized with silica or iron
sedimentary
Snowflake Obsidian
Spherulitic Obsidian (Amorphous Volcanic Glass with Cristobalite inclusions)
igneous
Granite Cobble
Granite (Phaneritic igneous rock)
igneous
Granite
Felsic Plutonic Rock
igneous
Gneiss (with Quartzite and Biotite)
Gneiss containing SiO2 (Quartz), K(Mg,Fe)3AlSi3O10(OH)2 (Biotite), and (K,Na,Ca)AlSi3O8 (Feldspar)
metamorphic
Basalt with Quartz Vein
Mafic Igneous Rock (SiO2 filling)
igneous
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with various inclusions
mineral
Quartz (White/Milky Pebble)
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcite (CaCO3)
Mineral
Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
metamorphic
Granite
Phaneritic Plutonic Rock (primarily SiO2, Al2O3, K2O, Na2O)
igneous
Gneiss (Schistose)
Gneiss
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Quartzwacke / Impure Sandstone
Arenite with minor lithic fragments (Silicon Dioxide matrix)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Garnet
Garnet Group (Silicate Minerals), formula varies e.g., Almandine Fe3Al2(SiO4)3
mineral
Celadonite in Basalt (Green Earth)
Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Limonite (Iron Stone/Ocher)
Limonite (FeO(OH)·nH2O)
mineral