Granodiorite
Granodiorite (containing Plagioclase, Quartz, and K-feldspar)
igneous
Category
Granite
Browse granite specimens identified by the Rock Identifier community.
Muscovite Mica (Granitic Pegmatite)
Muscovite - KAl2(AlSi3O10)(OH)2
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Milky Quartz (Tumbled)
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rough Quartz in Pegmatite Matrix
Quartz (Silicon Dioxide - SiO2) in Granitic Pegmatite
igneous
Amazonite
Microcline (KAlSi3O8) with Pb impurities
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Mica)
mineral
Lapis Lazuli
Lapis Lazuli (Complex metamorphic rock primarily containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Muscovite (Mica)
Muscovite - KAl2(AlSi3O10)(OH)2
Mineral
Schist with Schorl (Black Tourmaline)
NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)
metamorphic
Sandstone (likely Arkosic)
Arenite (SiO2 with KAlSi3O8)
sedimentary
Peach Moonstone (Feldspar variety)
Orthoclase Feldspar (KAlSi3O8) with inclusions
mineral
White Zircon
Zircon (Zirconium silicate, ZrSiO4)
mineral
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate Hydroxide - NaFe2+3Al6Si6O18(BO3)3(OH)3OH
mineral
Fluorite
Calcium fluoride (CaF2)
mineral
Schorl (Black Tourmaline) in Quartz and Feldspar
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
mineral
Amazonite
Microcline (KAlSi3O8) with Trace Lead
mineral
Amazonite
K(AlSi3O8) - Microcline variant
mineral
Amazonite
Potassium aluminum silicate (Microcline); KAlSi3O8
mineral
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Amazonite
Microcline (Amazonstone), K(AlSi3O8)
mineral
Beryl (likely Aquamarine or Green Beryl)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss (specifically a Granitic Gneiss)
Gneiss (typically composed of Quartz, Feldspar, and Mica/Amphiboles)
metamorphic
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gneiss (Metamorphic Rock)
Gneiss
metamorphic
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Gneiss Pebble
Gneiss
metamorphic
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartz with Tourmaline and Iron Staining
Silicon Dioxide (SiO2) with Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
igneous
Granitic Pegmatite (Muscovite and Quartz)
Pegmatite (KAl2(AlSi3O10)(OH)2 / SiO2)
igneous
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pink Tourmaline (Rubellite)
Rb:Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite variety)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Green Tourmaline
Elbaite - Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4
mineral
Schorl (Black Tourmaline) in Quartz or Feldspar Matrix
NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl) in Granitic Pegmatite
igneous