Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Extrusive volcanic rock)
Category
Browse mineral (extraterrestrial) specimens identified by the Rock Identifier community.
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Extrusive volcanic rock)
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
Banded Gneiss
Gneiss (typically quartz, feldspar, mica, amphibole composition)
Mixed Gemstone and Mineral Collection
Mixed Silica and Carbonate minerals (SiO2, CaSO4·2H2O, etc.)
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
Basalt with Amygdule
Aphanitic Mafic Volcanic Rock (Basalt) with Zeolite/Quartz Infill
Gneiss
Gneiss (Metamorphic rock)
Granitic Gneiss
Gneiss (Metamorphic rock of granitic composition)
Granite
Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)
Sandstone with Manganese Dendrites
Clastic Sedimentary Rock (SiO2 based with MnO2 inclusions)
Yellow Ochre / Limonite
Hydrated ferric oxide (FeO(OH)·nH2O)
Fluorite Tower
Fluorite (Calcium Fluoride - CaF2)
Sandstone (with Limonite staining)
Arenite (primarily SiO2 with FeO(OH)·nH2O)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Gneiss (Cobble)
Gneiss
Garden Quartz (Lodalite)
Silicon Dioxide with various mineral inclusions (SiO2)
Marble
Recrystallized Calcite (CaCO3)
Turquoise
Turquoise, CuAl6(PO4)4(OH)8·4H2O
Gneiss (foliated metamorphic rock)
Gneiss
Mixed Mineral Collection (Quartz, Amethyst, Rose Quartz, Pyrite, etc.)
Mixed Silicates and Sulfides (SiO2, FeS2)
Schist
Schist (various mineral compositions)
Azurite with Malachite
Azurite: Cu3(CO3)2(OH)2 / Malachite: Cu2CO3(OH)2
Azurite in Matrix
Azurite (Cu3(CO3)2(OH)2)
Mixed Mineral and Fossil Collection
Multi-specimen assemblage (SiO2, CaCO3, FeS2, etc.)
Granite Gneiss
Gneiss (high-grade metamorphic rock)
Bicolor Quartz Tumble
Silicon Dioxide (SiO2)
Gneiss
Gneiss
Granitic Gneiss
Gneiss (High-grade metamorphic rock)
Gneiss
Gneiss
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Sandstone (likely Arkosic or Lithic)
Clastic Sedimentary Rock (SiO2 with accessory minerals)
Sandstone with Iron Concretion
Arenite with Limonite/Goethite Concretion
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Greenstone / Epidosite
Epidosite (primary minerals: Epidote and Quartz)
Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Limonite (Iron Ore)
Hydrated ferric oxide mixture (FeO(OH)·nH2O)
Limestone with Calcite Veins
Calcium Carbonate (CaCO3)
Gneiss (likely Granitic Gneiss)
Gneiss