Milky Quartz with Mica
Silicon Dioxide (SiO2) with Muscovite Mica [KAl2(AlSi3O10)(OH)2]
Category
Browse mineral in metamorphic rock specimens identified by the Rock Identifier community.
Milky Quartz with Mica
Silicon Dioxide (SiO2) with Muscovite Mica [KAl2(AlSi3O10)(OH)2]
Serpentine
Serpentinite (group of minerals: (Mg,Fe,Ni,Al)3Si2O5(OH)4)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (complex silicate minerals including Mg3Si2O5(OH)4)
Epidote (or Epidote-rich rock)
Epidote. Mineral formula: Ca2(Al,Fe)3(SiO4)3(OH).
Quartzite (River Cobble)
SiO2 (Quartz-rich Metamorphic Rock)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Red Quartzite
Quartzite (primarily SiO2)
Lapis Lazuli
Lapis Lazuli (a rock, not a single mineral; primary mineral is Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2
Granodiorite (Gneissic texture)
Granodiorite (containing Quartz SiO2, Plagioclase Feldspar, and Biotite)
Slate
Foliated Metamorphic Rock (composed primarily of Quartz, Muscovite, and Illite)
Quartzite (River Pebble)
Recrystallized Quartz (SiO2)
Serpentine Schist with Quartz Vein
Serpentine Schist (a type of Metamorphic rock). The white band is likely Quartz (SiO2).
Rhodonite
Rhodonite (MnSiO3)
Zebra Rock / Zebra Marble
Banded Limestone-Marble Transition
Quartzite
Quartzite (primarily SiO2)
Unakite
Epidotized Granite
Quartzite River Rock
Quartzite (primarily SiO2)
Black Marble
Recrystallized Carbonate Rock (CaCO3)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Mica Schist
Mica Schist (Predominantly Muscovite/Biotite)
Quartzite River Rock (with Limonite staining)
Quartzite (SiO2)
Fulgurite
Fulgurite (Lechatelierite), amorphous SiO2
Ruby
Corundum (Al2O3 with Chromium trace impurities)
Quartzite
Quartzite (SiO2)
Quartz
Quartz (SiO₂)
Serpentine
Antigorite/Lizardite (Mg,Fe)3Si2O5(OH)4
Clear Quartz (Rock Crystal)
Quartz (SiO₂)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz (Quartzite fragment)
Silicon Dioxide (SiO2)
Banded Gneiss
Gneiss
Gneiss
Gneiss (High-grade metamorphic rock)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (composed primarily of Serpentine minerals: Mg3Si2O5(OH)4)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)
Serpentine
Serpentine group ((Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
Garnet
Garnet Group (complex nesosilicates with general formula X3Y2(SiO4)3, where X can be Ca, Mg, Fe2+, Mn2+ and Y can be Al, Fe3+, Cr3+, V3+)
Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2)