Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Obsidian
Obsidian (Volcanic Glass)
Greenstone
Metabasalt / Greenschist facies rock
Graphic Granite
Graphic Pegmatite
Gneiss (with Quartz and Mica)
Gneiss
Yellow Quartz
Silicon Dioxide (SiO2)
Diorite with Quartz Veins
Diorite
Sunstone
Oligoclase (Plagioclase Feldspar) with hematite or copper inclusions
Lapis Lazuli
(Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2 (Complex silicate rock)
Pyrite
Iron Sulfide (FeS2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Carnelian
Carnelian (Silicon Dioxide - SiO2 with iron oxide impurities)
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
Blue Apatite
Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Chert / Chalcedony
Microcrystalline Quartz (SiO2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Galena
Lead Sulfide (PbS)
Blue Kyanite
Kyanite (Al2SiO5)
Brecciated Jasper
Silicon Dioxide (SiO2) with mineral impurities
Basalt
Extrusive Igneous Rock
Granite
Phaneritic Igneous Rock (composed primarily of Quartz SiO2, Alkali Feldspar (K,Na)AlSi3O8, and Plagioclase Feldspar)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Granodiorite (Gravel Pebble)
Granodiorite
Tumbled Quartz (Snow Quartz)
Silicon Dioxide (SiO2)
Granite
Felsic intrusive igneous rock
Agate
Agate (Silicon Dioxide, SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Chrysanthemum Stone
Chrysanthemum Stone (Calcite/Celestite/Strontianite in Limestone)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Quartz Vein (Iron-stained)
Silicon Dioxide (SiO2) with limonite/hematite staining
K2 stone (azurite–granite)
Biotite granite hosting blue azurite (Cu₃(CO₃)₂(OH)₂), often with malachite and quartz
Pegmatite (Granitic Pegmatite with Quartz, Feldspar, and Mica)
Granitic Pegmatite
Gold Ore in Matrix
Native Gold (Au) in Quartz/Host Rock
Gold Ore
Native Gold (Au) in Matrix
Pink Opal
Hydrated silica (SiO2 "n H2O)
Vesicular Basalt (Amygdaloidal)
Amygdaloidal Basalt (Mafic volcanic rock)
Granite
Granite (phaneritic felsic intrusive rock)
Pyrite (or Fool's Gold)
Pyrite (FeS₂)
Petrified Wood
Silicified Wood (SiO2)
Sulfur (on Matrix)
Native Sulfur (S8)
Greenschist
Greenschist (Chlorite Schist facies)
Gold Ore in Quartz
Auriferous Quartz (SiO2 with Au inclusions)