Quartz Geode
Crystalline Silicon Dioxide (SiO2) in a Geode
mineral
Category
Mineral Like Byproduct (Technogenic)
Browse mineral like byproduct (technogenic) specimens identified by the Rock Identifier community.
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Dendritic Agate / Chalcedony
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
mineral
Gneiss
Banded Gneiss
metamorphic
Greenschist
Chlorite schist
metamorphic
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O)
mineral
Greenschist
Greenschist facies metamorphic rock
metamorphic
Greenschist / Greenstone
Greenschist facies metabasite
metamorphic
Bauxite (Pisolitic Bauxite)
Bauxite (mixture of Hydrous Aluminum Oxides)
sedimentary
Granite
Phaneritic Igneous Rock (Granite)
igneous
Muscovite
Muscovite, KAl2(AlSi3O10)(OH)2
mineral
Biotite (Mica)
Biotite group (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt
igneous
Quartz with Muscovite Mica
SiO2 with KAl2(AlSi3O10)(OH)2
mineral group
Milky Quartz with Chlorite/Amphibite Inclusions
Silicon Dioxide (SiO2) with various mineral inclusions
mineral
Polished Black Obsidian
Volcanic Glass (70-75% SiO2)
igneous
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of Dumortierite or Magnesio-riebeckite
mineral
Sandstone
Arenite (SiO2 primarily)
sedimentary
Pink Dyed Agate
Chalcedony (SiO2) with artificial dyes
mineral
Orange Sapphire
Corundum (Al2O3 with trace elements)
gemstone
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Quartz with Iron Oxide Inclusions
Silicon Dioxide (SiO2)
mineral
Strawberry Quartz
Quartz with Hematite or Goethite inclusions (SiO2 + inclusions)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Prehnite with Epidote inclusions
Prehnite - Ca2Al(AlSi3O10)(OH)2; Epidote - Ca2(Al2,Fe)(Si2O7)(SiO4)O(OH)
mineral
Orthoclase Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Gneiss (Granite Gneiss)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Basalt
Basalt
igneous
Gneiss
Gneiss
metamorphic
Pyrite in Matrix with Copper Alterations
Iron Sulfide (FeS2) with secondary Copper carbonates/sulfides
mineral
Agate (Moss or Dendritic Agate)
Chalcedony (Silicon Dioxide, SiO2)
mineral
Sandstone
Arenite (SiO2 primarily)
sedimentary
Greenschist
Greenschist (Chlorite-actinolite schist)
metamorphic
Granite
Felsic intrusive igneous rock
igneous
Granite
Intrusive igneous rock
igneous
Granite
Phaneritic plutonic rock (Quartz, Feldspar, Mica)
igneous
Granite
Granite (Felsic Intrusive Igneous Rock)
igneous
Granodiorite (River Cobble)
Granodiorite (contains Quartz, Plagioclase Feldspar, Biotite Mica)
igneous
Diorite
Phaneritic Intermediate Plutonic Rock
igneous
Granite Pegmatite
Phaneritic Felsic Igneous Rock (Granite)
igneous