Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Category
Browse mineral health specimens identified by the Rock Identifier community.
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Basalt with Secondary Mineralization (Likely Zeolites or Calcite)
Aphanitic mafic volcanic rock with secondary mineral inclusions (e.g., CaAl2Si3O10·3H2O for Scolecite)
Granitic Gneiss
Gneiss (Metamorphic Rock)
Fluorite
Calcium Fluoride (CaF2)
Apatite
Fluorapatite, Chlorapatite, and Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))
Shale
Shale (clastic sedimentary rock)
Quartzite (with mineral vein)
Metamorphosed Quartz-rich Sandstone (SiO2)
Gneiss
Gneiss
Potassium Feldspar
Orthoclase (KAlSi3O8)
Pink Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)
Calcite
Fossil Shark Tooth
Carcharocles (Otodus) sp. or similar fossilized Chondrichthyes tooth
Gold Mineral
Native Gold (Au)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Mixed Mineral Collection (with Quartz, Beryl, and host rock)
Silicon Dioxide (Quartz), Be3Al2Si6O18 (Beryl), and associated Schist/Pegmatite
Sandstone with Secondary Mineral Encrustation
Arenite with Silica/Calcite deposits (SiO2 or CaCO3)
Drill Core Samples (Varied Lithology)
Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)
Nephrite Jade
Nephrite
Chrysocolla on Matrix
Hydrated copper silicates ((Cu,Al)2H2Si2O5(OH)4·nH2O)
Gneiss
Gneiss
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Fluorite with Quartz
Fluorite (CaF2) and Quartz (SiO2)
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Granite
Granite
Gneiss
Gneiss (High-grade metamorphic rock)
Vesicular Basalt
Amygdaloidal Basalt (Mafic extrusive volcanic rock)
Spinosaurus fossil (permineralized bone)
Spinosaurus aegyptiacus (Calcium phosphate mineralized with silica/sediment)
Gneiss
Gneiss
Quartz Mineral
Silicon Dioxide (SiO2)
Quartz Mineral
Silicon Dioxide (SiO2)
Quartz in Limonite-rich Matrix
Silicon Dioxide (SiO2) with Goethite/Limonite FeO(OH)·nH2O
Fossil Shark Tooth
Carcharodon or Carcharias fossil (Vertebrate Fossil)
Chrysocolla and Malachite Beads
Hydrated copper silicates (Chrysocolla) and Copper carbonate hydroxide (Malachite)
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
Orthoclase Feldspar (Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
Limonite / Ironstone
Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O
Fossil / Permineralized Bone
Tyrannosaurus rex fossil (Hydroxylapatite replaced by various minerals)
Rainbow Fluorite
Calcium Fluoride (CaF2)
Granite
Granite (composed of Quartz, Feldspar, and Mica)
Magnetite (Lodestone)
Iron(II,III) oxide (Fe3O4)
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
Gneiss (specifically Banded Gneiss)
Gneiss