Granodiorite
Phaneritic Granodiorite
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Granodiorite
Phaneritic Granodiorite
Jasper with Quartz Vein
Microcrystalline quartz (SiO2) and chalcedony with a quartz vein
Granite
Granite (Felsic Plutonic Rock)
Orange Calcite
Calcium Carbonate (CaCO3)
Agate Geode
Cryptocrystalline Quartz (SiO2)
Petrified Wood
Silicified wood (Quartz / Chalcedonized wood, SiO2)
Greenschist / Chloritaform Schist
Chlorite Schist (Group of Silicate Minerals)
Apatite
Apatite group mineral (e.g., Fluorapatite - Ca5(PO4)3F, Chlorapatite - Ca5(PO4)3Cl, Hydroxylapatite - Ca5(PO4)3(OH))
Aquamarine
Beryl (Be3Al2Si6O18)
Amethyst
Silicon dioxide (SiO2)
Gold Nugget
Native Gold (Au)
Glauconitic Sandstone
Glauconitic Quartz Arenite
Sodalite-rich Syenite (Yooperlite)
Sodalite-rich Syenite (Na8(Al6Si6O24)Cl2 within an igneous matrix)
Coarse-grained Quartz and Feldspar Pegmatite
Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8)
Pyrite in Matrix (Quartz/Schist)
Iron Sulfide (FeS2)
Red Shale
Fissile Siliciclastic Sedimentary Rock
Red Jasper
Silicon Dioxide (SiO2)
Granite
Granite (Felsic Plutonic Rock)
Diorite (Salt and Pepper Rock)
Diorite
Granite (Thin Section)
Granite (Felsic Plutonic Rock)
Fluorite (translucent octahedral crystal)
Calcium fluoride (CaF2)
Rhodonite
Rhodonite (MnSiO3)
Diorite
Phaneritic intermediate plutonic rock
Granite
Intrusive Igneous Rock
Granite
Intrusive Igneous Rock
Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
Granitic Pegmatite
Pegmatite (composed primarily of Quartz, Feldspar, and Muscovite mica)
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in a Geodic Concretion
Fluorite
Calcium Fluoride (CaF2)
Quartz / Quartz Geode Fragment
Silicon Dioxide (SiO2)
Honey Calcite Geode Segment
Calcite (Calcium Carbonate, CaCO3)
Pyrite-bearing rock (likely pyrite in a quartz or sulfide-rich matrix)
Pyrite, FeS₂; the gray host may be quartz, carbonate, or another sulfide-bearing rock
Shungite
Fullerene-bearing carbonaceous rock
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Blue Topaz
Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)
Ironstone Concretion (Moqui Marble type)
Iron oxide concretion (Goethite/Hematite and Sandstone)
Jasper (specifically Fancy or Polychrome Jasper)
Silicon Dioxide (SiO2) - Chalcedony
Clear Quartz
SiO2 (Silicon Dioxide)
Petrified Wood
Silicified Wood (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Yellow Aventurine (or Citrine-colored Quartz)
Silicon Dioxide (SiO2) with inclusions
Epidosite
Epidosite (composed primarily of Epidote and Quartz)