Amygdaloidal Basalt
Basalt with secondary mineral infilling
Category
Browse mineral (synthetic) specimens identified by the Rock Identifier community.
Amygdaloidal Basalt
Basalt with secondary mineral infilling
River Pebble (likely Quartzite or Basalt)
Quartzite (SiO2 as primary mineral)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Red Jasper
Jasper (Silicate mineral - SiO2)
Abalone Shell (Nacre)
Aragonite (CaCO3) - Biogenic Mineral
Jasper
Jasper (Silicate mineral, SiO2)
Fossilized Shark Tooth (Otodus obliquus)
Otodus obliquus (Mineral: Fluorapatite)
Aventurine (Tan/Cream colored)
Quartz (SiO2) with mineral inclusions
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
Quartz Vein in Schist
Quartz (SiO2) in Mica Schist
Pyrite
Iron Disulfide (FeS2)
Yellow Jade (often Serpentine or Dolomite)
Primarily Serpentine (Mg3Si2O5(OH)4) or Dolomite (CaMg(CO3)2), though the term 'yellow jade' is also sometimes applied to varieties of true nephrite or jadeite.
Basalt
Basalt
Beads (likely glass or man-made material)
N/A (artificial material)
Granitic Pegmatite
Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)
Fossilized Shark Tooth (Otodus)
Otodus sp. (calcium phosphate/hydroxylellite)
N/A (Non-Geological Specimen)
Green Aura Quartz (Titanium treated Kyanite or Quartz)
Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating
Calamites
Calamites (Pith cast fossil)
Granite Pebble (Salt and Pepper Granite)
Felsic Intrusive Igneous Rock (Granite)
Granite Gneiss
Gneiss (High-grade regional metamorphic rock)
Magnetic Sand Grain / Magnetite Pellet
Magnetite (Fe3O4)
Vesicular Basalt with Pyrite
Basalt (MgFe2+)(Si,Al)2O6 containing FeS2 inclusions
Garnet
Garnet Group (Silicate Minerals)
Himalayan Salt (Halite)
Halite (NaCl) with trace minerals
Dyed Dragon Vein Agate
Silicon Dioxide (SiO2) with artificial pigment
White Quartz Star
Silicon Dioxide (SiO2)
Chrysocolla on Quartz/Rhyolite matrix
Hydrated copper phyllosilicate mineral: (Cu,Al)2H2Si2O5(OH)4·nH2O
Nephrite Jade (or Serpentine)
Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Blue Lace Agate
Cryptocrystalline Quartz (SiO2) with trace minerals
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
Milky Quartz with Chlorite inclusions
Silicon Dioxide (SiO2) with Chlorite group minerals
Orbicular Granite
Orbicular Granitoid
Malachite
Malachite [Cu2CO3(OH)2]