Granite
Phaneritic Igneous Rock (composed primarily of Quartz SiO2, Alkali Feldspar (K,Na)AlSi3O8, and Plagioclase Feldspar)
igneous
Category
Sedimentary Or Igneous Associated Mineral
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Granite
Granite (Felsic Plutonic Rock)
igneous
Tree Agate
Silicon Dioxide (SiO2) with dendritic inclusions
mineral
Garnet (likely Almandine, Pyrope, or a blend)
Garnet group minerals: X3Y2(SiO4)3, where X and Y represent various metal ions (e.g., Almandine: Fe3Al2(SiO4)3, Pyrope: Mg3Al2(SiO4)3)
Mineral
Granite
Granite (Phaneritic Quartz-Feldspar Rock)
igneous
Gold Ore in Matrix
Native Gold (Au) in Quartz/Host Rock
mineral
Gold Ore
Native Gold (Au) in Matrix
mineral
Carnelian
Carnelian (Silicon Dioxide - SiO2 with iron oxide impurities)
mineral
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
mineral
Gold Ore in Quartz
Auriferous Quartz (SiO2 with Au inclusions)
mineral
Muscovite Mica (likely on Quartz/Feldspar)
Muscovite - KAl2(AlSi3O10)(OH)2
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Dendritic Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxide
mineral
Sodalite (blue beads) and Clear Quartz (clear beads)
Sodalite: Na4Al3Si3O12Cl; Quartz: SiO2
mineral
Fluorite (Green Fluorite)
Fluorite (Calcium Fluoride, CaF2)
mineral
Sandstone (Greywacke)
Arenite / Clastic Sedimentary Rock
sedimentary
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Black Sapphire (Basaltic Blue Sapphire)
Corundum (Al2O3)
mineral
Dragon Blood Jasper
Epidote-rich Quartzite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Halite (Rock Salt)
Halite (NaCl)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Granite (including Pegmatite variants)
Phaneritic Plutonic Rock (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Biotite/Muscovite mica)
Igneous
Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Greenschist / Greenstone
Greenschist facies metabasite
metamorphic
Basaltic Tuff / Volcanic Breccia
Pyroclastic Breccia / Lithic Tuff
igneous
Gold Ore in Quartz
Auriferous Quartz (Au + SiO2)
igneous
Greenstone / Epidosite
Epidosite (Metasomatic rock consisting mainly of Epidite Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH) and Quartz)
metamorphic
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Sunstone
Oligoclase (Plagioclase Feldspar) - (Ca,Na)(Al,Si)4O8
mineral
Vesicular Basalt (Amygdaloidal)
Amygdaloidal Basalt (Mafic volcanic rock)
igneous
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Sodalite Syenite
Sodalite-bearing Syenite (Na8(Al6Si6O24)Cl2)
igneous
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Diorite
Intermediate plutonic igneous rock
Igneous
Pyrite in Quartz
Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)
Mineral
Peach Moonstone
Moonstone (KAlSi3O8)
mineral