Greenstone
Metamorphosed Mafic Igneous Rock
Category
Browse mineral on igneous rock specimens identified by the Rock Identifier community.
Greenstone
Metamorphosed Mafic Igneous Rock
Epidote
Epidote ({Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))
Faceted Clear Quartz
Crystalline Silicon Dioxide (SiO2)
Amygdaloidal Basalt with Epidote/Chlorite
Basalt (containing (Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)))
Quartz
Silicon Dioxide (SiO2)
Peach Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8) with inclusions
Granite Pebble
Granite (Plutonic Igneous Rock)
Granite
Intrusive igneous felsic rock
Pink Granite
Phaneritic Felsic Igneous Rock
Labradorite
Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8)
Rough Sapphire (Corundum)
Corundum (Al2O3)
Labradorite (Feldspar)
Labradorite, (Ca,Na)(Al,Si)4O8
Blue Sapphire
Corundum (Al2O3)
Clear Quartz / Rock Crystal
Silicon Dioxide (SiO2)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Muscovite Mica
Muscovite: KAl2(AlSi3O10)(OH)2
Snowflake Obsidian
Volcanic glass containing Spherulitic Cristobalite (SiO2)
Black Obsidian
Obsidian (Volcanic Glass)
Dalmatian Jasper
Peralkaline Quartz Feldspar Porphyry
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Basalt with Quartz Veining
Basalt (Mafic Extrusive Igneous Rock) with SiO2 (Silicon Dioxide) veins
Rhyolite (Leopard Skin Jasper)
Rhyolite (Silicon Dioxide with impurities)
Vesicular Basalt with Calcification
Vesicular Basalt (Aphanitic extrusive igneous rock)
Granite (Pebble)
Intrusive Felsic Igneous Rock
Granite
Phaneritic Felsic Igneous Rock
Eudialyte
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within metamorphic/igneous matrix
Syenite
Syenite (Phaneritic Igneous Rock)
Quartz
Silicon Dioxide (SiO2)
Amygdaloidal Basalt
Amygdaloidal Basalt containing Zeolite and Calcite inclusions
Basalt
Extrusive Igneous Rock
Banded Agate (specifically Carnelian Agate)
Silicon dioxide (SiO2) - Chalcedony variety
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Red Granite
Felsic Intrusive Igneous Rock
Granite
Felsic intrusive igneous rock
Granite
Felsic intrusive igneous rock
Granite Pebble
Granite (Plutonic Igneous Rock)
Granite (Pink/Red Granite)
Felsic Plutonic Igneous Rock
Granite
Phaneritic Felsic Igneous Rock