Lapis Lazuli
Lapis Lazuli (Mineral composition: Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2, Calcite, and Pyrite)
metamorphic
Category
Mineral Health
Browse mineral health specimens identified by the Rock Identifier community.
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Rough Quartz (Alluvial Pebbles)
Silicon Dioxide (SiO2)
mineral
Greenstone with Epidote or Quartz veins
Metabasalt (Greenstone facies)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (specifically Green Chert/Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Quartz (Gravel fragment)
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
metamorphic
Nephrite Jade (or Serpentine)
Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals
Mineral/Rock
Nuummite
Nuummite (intergrowth of orthoamphiboles Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)
metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Garnet
Garnet Group (Silicate Minerals)
mineral
Himalayan Salt (Halite)
Halite (NaCl) with trace minerals
mineral
Chrysocolla on Quartz/Rhyolite matrix
Hydrated copper phyllosilicate mineral: (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Granite Pebble (Salt and Pepper Granite)
Felsic Intrusive Igneous Rock (Granite)
igneous
Granite Gneiss
Gneiss (High-grade regional metamorphic rock)
Metamorphic
Magnetic Sand Grain / Magnetite Pellet
Magnetite (Fe3O4)
mineral
Dyed Dragon Vein Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
White Quartz Star
Silicon Dioxide (SiO2)
mineral
Limonite (Iron Ore)
Hydrous Iron Oxide (goethite, lepidocrocite)
Mineral
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxide
mineral
Milky Quartz with Chlorite inclusions
Silicon Dioxide (SiO2) with Chlorite group minerals
mineral
Erythrite
Erythrite (Cobalt Bloom) - Co3(AsO4)2·8H2O
mineral
Vesicular Basalt with Pyrite
Basalt (MgFe2+)(Si,Al)2O6 containing FeS2 inclusions
igneous
Heat-Treated Citrine
Silicon Dioxide (SiO2)
mineral
Orbicular Granite
Orbicular Granitoid
igneous
Geode (Unopened)
Silicon Dioxide (SiO2) in sedimentary vugs
sedimentary
Amygdaloidal Basalt with Zeolite/Quartz Infill
Amygdaloidal Basalt (Host: (Mg,Fe)2SiO4 / CaAl2Si2O8; Infill: SiO2 or Na2Al2Si3O10·2H2O)
igneous
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Flint with Iron Staining)
Silicon Dioxide (SiO2)
sedimentary
Limonite (Yellow Ochre)
FeO(OH)·nH2O (Hydrous iron(III) oxide-hydroxide mixture)
Mineral (Iron Ore)
Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss (Banded Gneiss)
Gneiss
metamorphic
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky/Granular variety)
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
mineral
Bumblebee Jasper
Carbonate-rich volcanic rock containing Sulfur and Arsenic (Realgar/Orpiment)
sedimentary
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Quartz (Sunstone-like Chalcedony)
Silicon Dioxide (SiO2)
mineral