Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Category
Man Made Metamorphic Style Composite
Browse man made metamorphic style composite specimens identified by the Rock Identifier community.
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Quartz / Quartzite
Silicon Dioxide (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
mineral
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
mineral
Tumbled Gray Agate
Silicon Dioxide (SiO2)
mineral
Stichtite in Serpentinite (Atlantisite)
Mg6Cr2CO16(OH)16·4H2O in Mg3Si2O5(OH)4
metamorphic
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
mineral
Black Onyx
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milk Quartz (Vein Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rhodonite
Manganese inosilicate, (Mn,Fe,Mg,Ca)SiO3
mineral
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz (Milky or Smoky Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Quartzite
Metamorphic Quartzite (primarily SiO2)
metamorphic
Quartzite
Recrystallized Silicon Dioxide (SiO2)
metamorphic
Serpentine
Antigorite, Lizardite, or Chrysotile; (Mg, Fe)3Si2O5(OH)4
metamorphic
Blue Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Greenstone (Metabalt)
Chlorite-actinolite schist (Greenstone)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Pyrite cluster (iron pyrite)
Pyrite, FeS₂
mineral
Likely tumbled quartz-rich pebble
Quartz (SiO₂), possibly a weathered quartzite or chalcedony pebble
mineral
Quartzite
Metamorphic Quartz Rock (SiO2)
metamorphic
Quartzite
Metamorphic Quartz Rock (SiO2)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2)
mineral