Lapis Lazuli
Lapis lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)
metamorphic
Category
Igneous And Mineral
Browse igneous and mineral specimens identified by the Rock Identifier community.
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Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Blue Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
River Pebbles (including Granite and Basalt)
Mixed Igneous Rocks (Granite, Basalt)
igneous
Gabbro Pebble (Polished Beach/River Stone)
Gabbro
igneous
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
mineral
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
metamorphic
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Potassium Feldspar
K-Feldspar (Orthoclase/Microcline), KAlSi3O8
mineral
Strawberry Quartz (Aventurine)
Silicon Dioxide with Hematite/Lepidocrocite inclusions (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Muscovite
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Strawberry Quartz
Quartz with Hematite inclusions (SiO2 + Fe2O3)
mineral
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
mineral
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Chalcedony
Chalcedony (SiO2)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
White Quartz (Mushroom Carving)
Quartz (Silicon Dioxide - SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Smoky Quartz Cluster
Quartz (Silicon Dioxide) - SiO2
mineral
Amazonite
Microcline (KAlSi3O8) with trace lead (Pb)
mineral
Labradorite
(Ca,Na)(Al,Si)4O8
mineral
Gabbro (likely with Pyrite/Sulfide mineralization)
Mafic Intrusive Igneous Rock
igneous
Sapphire in a ring
Corundum (Al2O3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Glacial Cobble with Granite Inclusion
Porphyritic Basalt or Andesite containing Granitic Xenolith
igneous
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Mica Group Minerals
There isn't a single scientific name as 'Mica' refers to a group of phyllosilicate minerals. Common scientific names include Muscovite (KAl₂ (AlSi₃O₁₀)(OH)₂), Biotite (K(Mg,Fe)₃AlSi₃O₁₀(OH)₂), Phlogopite (KMg₃AlSi₃O₁₀(OH)₂), and Lepidolite (K(Li,Al)₃(Al,Si,Rb)₄O₁₀(F,OH)₂).
Mineral
Granite with Epidote / Unakite precursor
Plutonic igneous rock composed of Quartz, Feldspar, and Epidote/Chlorite
igneous