Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse man made metamorphic style composite specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Graphite
Graphite (Native Carbon, C)
Quartz / Quartz Cluster
Silicon Dioxide (SiO2)
Blue Kyanite
Kyanite (Al2SiO5)
Orange Calcite
Calcium Carbonate (CaCO3)
Magnetite (Lodestone)
Magnetite (Fe3O4)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sandstone
Sandstone (various mineral compositions)
White quartz pebble
Quartz (silicon dioxide, SiO₂), likely milky quartz
Water and Silt (Sedimentary Environment)
Suspended Sediment / H2O (dihydrogen monoxide)
Quartz with Iron Oxide Inclusions
Silicon dioxide with limonite/hematite (SiO2)
Talc
Talc (Hydrated magnesium silicate, Mg3Si4O10(OH)2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
White Agate (resembling Bone Chalcedony)
Cryptocrystalline Quartz (SiO2)
Banded Agate (Pink/Peach Chalcedony)
Agate (Silicon Dioxide, SiO2)
Quartzite
Quartzite (Metamorphic Quartz Sandstone)
Quartzite
Metamorphic Quartzite (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Leopard jasper (orbicular jasper)
Silicified volcanic rock, chiefly microcrystalline quartz/chalcedony (SiO₂) with feldspar and iron-oxide inclusions
Tumbled milky quartz
Quartz (silicon dioxide, SiO₂)
Tumbled milky quartz
Quartz (SiO₂), likely massive milky quartz
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Serpentinite
Serpentinite (Mg3Si2O5(OH)4)
Unakite
Unakite (metamorphosed granite)
Serpentinite
Serpentinite (Mg ₃ Si ₂ O ₅ (OH) ₄)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Serpentinite
Serpentinite (Mg3Si2O5(OH)4)
Serpentine
Antigorite/Chrysotile/Lizardite mixture (Mg,Fe)3Si2O5(OH)4
Serpentine (Serpentinite)
Mg3Si2O5(OH)4
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn)2-3(Si, Al, Fe)2O5(OH)4
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, e.g., Lizardite, Chrysotile, Antigorite)
Unakite
Unakite (Epidotized Granite)
Serpentinite
Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4
Serpentinite
Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite)