Fluorite (specifically Rainbow Fluorite or Purple Fluorite)
Calcium Fluoride (CaF2)
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Fluorite (specifically Rainbow Fluorite or Purple Fluorite)
Calcium Fluoride (CaF2)
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Fired Clay Brick (Anthropic Rock substitute)
Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)
Vesicular Basalt (Scoria)
Basalt (Extrusive Igneous Rock)
Herkimer Diamond
Quartz (Silicon Dioxide, SiO2)
Limestone
Calcium Carbonate (CaCO3)
Quartz
Silicon dioxide (SiO₂)
Amethyst Geode
Amethyst (Silicon Dioxide), Formula: SiO2
Agate (Moss or Banded Agate variety)
Agate (Silicon Dioxide - SiO2)
Amethyst
Silicon Dioxide (SiO2)
Serpentine (Serpentinite)
Serpentinite (complex silicate group including lizardite, chrysotile, and antigorite)
Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate)
Mixed Silicates and Oxides (predominantly SiO2 group minerals)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Serpentine
Serpentinite (composed mainly of Group Minerals Antigorite, Chrysotile, and Lizardite; Mg3Si2O5(OH)4)
Ferruginous Quartzite (also known as Ironstone or Gossan)
Ferruginous Quartzite with Goethite/Hematite staining
Schist
Mica Schist
Dendritic Agate or Manganese Nodule in Chert/Limestone
Silicon Dioxide (SiO2) with Manganese Oxide (MnO2) inclusions
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
Agatized Chert / Chalcedony
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
Blue Lace Agate
Silicon Dioxide (SiO2)
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8) with inclusions
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
Labradorite
Labradorite, (Ca, Na)(Al, Si)4O8
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Banded Agate (specifically Carnelian Agate)
Cryptocrystalline Quartz (SiO2)
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Green Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
Anthracite Coal
Anthracite (Carbon-based organic sedimentary/metamorphic rock)
Obsidian
Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)
Mica Schist
Muscovite/Biotite Schist
Diorite
Diorite (Intermediate intrusive igneous rock)
Banded Agate (Onyx type)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Amethyst Geode (polished heart-cut)
Silicon Dioxide (SiO2) with iron impurities
Fluorite
Calcium Fluoride (CaF2)
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Basalt
Mafic volcanic rock (various silicate minerals including Pyroxene and Plagioclase)
Scoria
Scoria (Vesicular Basaltic Glass)
Gneiss
Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Mica/Amphibole)
Gneiss (Metamorphic Rock)
Gneiss
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)