Magnetite
Magnetite (Fe3O4)
mineral
Category
Metamorphic (Pseudo Igneous)
Browse metamorphic (pseudo igneous) specimens identified by the Rock Identifier community.
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Apatite
Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Yellow Sapphire (Pukhraj)
Corundum (Al2O3)
gemstone
Quartz
Silicon dioxide (SiO2)
mineral
Zoisite with Hornblende
Zoisite (Ca2Al3(SiO4)3(OH)) with Amphibole inclusions
metamorphic
Milky quartz
Quartz, silicon dioxide (SiO₂)
mineral
Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Clear Quartz
SiO2 (Silicon Dioxide)
gemstone
Mica
Mica group (often Muscovite or Biotite)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Sapphire or Citrine
Al2O3 (Corundum) or SiO2 (Quartz)
mineral
Zoisite with Ruby (Anyolite)
Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)
metamorphic
Biotite on Quartz
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) and Quartz (SiO2)
mineral
Quartz with Epidote
Silicon dioxide (SiO2) with Calcium aluminum iron silicate (Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))
mineral
Pink Quartz
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
mineral
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Feldspar (Plagioclase / Potassium Feldspar)
Feldspar Group (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)
mineral
Quartz Heart or Arrowhead Shape
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Faceted)
Silicon dioxide (SiO2)
gemstone
Quartz pebble
SiO2, Quartz
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Apatite
Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)
mineral
Apatite
Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)
mineral
Moonstone
Orthoclase (KAlSi3O8)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Blue Apatite
Calcium Fluorophosphate - Ca5(PO4)3F
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Biotite or Phlogopite Mica
K(Mg,Fe)3(AlSi3O10)(F,OH)2
mineral
Pale greenish quartz-bearing rock, possibly serpentine or altered feldspar
Tentatively serpentinite-related rock (serpentine-group minerals) or altered granitic material; identification is uncertain from the photograph
metamorphic
Sunstone and Garnet
Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8) and Almandine Garnet (Fe3Al2(SiO4)3)
gemstone
Sunstone / Peach Moonstone (Feldspar variety)
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Epidote-bearing Rock
Epidote / Silicate mineral aggregate
metamorphic
Quartz pebble
Silicon dioxide (SiO2)
mineral
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
mineral
Sapphire
Corundum (Al2O3)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
mineral