Quartz Vein in Gneiss or Basalt
Milky Quartz (SiO2) within Metamorphic Host Rock
Metamorphic or Igneous with Mineral Inclusion
Category
Metamorphic And Igneous
Browse metamorphic and igneous specimens identified by the Rock Identifier community.
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Unakite (often traded as Dragon Blood Jasper)
Epidotized Granite
Metamorphic (Altered Igneous rock)
Calcite (or Alabaster, if truly carved)
Calcium Carbonate (CaCO3)
Mineral/Rock
Clear Quartz (Faceted Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Pink/Rose or Hematinoid Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz fragment
Quartz (silicon dioxide, SiO₂), likely milky or smoky quartz
mineral
White Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Raw quartz crystal
Quartz (silicon dioxide, SiO₂), likely milky or iron-stained quartz
mineral
Magnetite (Lodestone variety)
Magnetite (Fe3O4)
mineral
Blue Apatite
Apatite (Group), Ca5(PO4)3(F,Cl,OH)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Small quartz-rich mineral fragment
Quartz (SiO₂), possibly milky or chalcedonic quartz
mineral
Fossilized marine shell fragment
Likely a bivalve or gastropod shell preserved as calcite (CaCO₃)
fossil
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)
mineral
Magnetite Ore
Magnetite (Fe3O4)
mineral
Nephrite Jade
Nephrite
Mineral/Rock
Magnetite
Magnetite (Fe3O4)
mineral
Apatite
Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Zoisite with Hornblende
Zoisite (Ca2Al3(SiO4)3(OH)) with Amphibole inclusions
metamorphic
Bornite
Bornite (Cu5FeS4)
mineral
Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Mica
Mica group (often Muscovite or Biotite)
mineral
Clear Quartz
SiO2 (Silicon Dioxide)
gemstone
Yellow Sapphire or Citrine
Al2O3 (Corundum) or SiO2 (Quartz)
mineral
Greenschist
Greenschist (containing Chlorite, Actinolite, and Epidote)
metamorphic
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
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
mineral
Quartz Heart or Arrowhead Shape
Silicon Dioxide (SiO2)
mineral
Feldspar (Plagioclase / Potassium Feldspar)
Feldspar Group (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)
mineral