Tiger's Eye
SiO2 (Quartz with inclusion of iron oxides)
mineral
Category
Metamorphic Or Igneous With Mineral Inclusion
Browse metamorphic or igneous with mineral inclusion specimens identified by the Rock Identifier community.
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Basalt (with possible quartz/calcite inclusion)
Extrusive mafic igneous rock
igneous
Tumbled pink quartzite (probable)
Quartzite; predominantly crystalline SiO₂, possibly iron-stained with minor mica or feldspar
metamorphic
Quartz-rich pegmatite with green epidote or chlorite
Pegmatitic quartz–feldspar rock, likely containing epidote (Ca₂(Al,Fe)₃Si₃O₁₂(OH)) and/or chlorite
igneous
Bloodstone (Heliotrope)
Silicon Dioxide (SiO2) with Iron Oxide / Chlorite inclusions
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Quartz with Epidote
Silicon dioxide (SiO2) with Calcium aluminum iron silicate (Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))
mineral
Likely polished or naturally smoothed pebble with a pale mineral patch
Undetermined; possibly a dark volcanic rock with a quartz or feldspar inclusion
igneous
Quartz with Inclusions
Silicon Dioxide (SiO2)
mineral
Aventurine (specifically Green Aventurine)
Silicon Dioxide (Quartz) with inclusions of Fuchsite; SiO2 + K(Al,Cr)2AlSi3O10(OH)2
metamorphic
Fossil-bearing metamorphic rock, possibly schist with a fossil imprint
Micaceous schist; apparent fossil material is unidentified
metamorphic
Amber-bearing Coal/Sedimentary Rock
Bituminous coal or carbonaceous siltstone with Fossilized Tree Resin (C10H16O)
sedimentary
Gneiss
Banded quartz–feldspar–mica gneiss
metamorphic
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Porphyritic Basalt (with Olivine or Quartz phenocryst)
Porphyritic Basalt (Mafic Extrusive)
igneous
Plume Agate
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Snowflake Obsidian
Volcanic Glass with Spherulitic Cristobalite Inclusion
igneous
Blue Quartz
Silicon Dioxide (SiO2)
mineral
Quartz with Mica inclusions (Pegmatite)
Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions
igneous
Green aventurine quartz (likely rough quartzite)
Quartz, SiO₂, with green mica/fuchsite or chlorite inclusions
metamorphic
Polished green aventurine
Quartzite or quartz-rich rock containing fuchsite mica; mainly SiO₂
mineral
Emerald
Beryl (Be3Al2(SiO3)6)
gemstone
Dearest Jewelry (Multigemstone)
Combination of Diamond (C), Emerald (Be3Al2Si6O18), Amethyst/Rock Crystal (SiO2), Ruby (Al2O3), Emerald (Be3Al2Si6O18), Sapphire (Al2O3), and Topaz (Al2SiO4(F,OH)2)
Mineral
Granite with a dark mafic inclusion
Biotite–hornblende granite containing a mafic xenolith/enclave
igneous
Basalt (Vesicular)
Basalt (Mafic Extrusive Igneous Rock)
igneous
Honey-colored quartz crystal
Quartz (silicon dioxide, SiO₂), likely iron-stained or inclusion-rich citrine
mineral
Pink Quartz
Silicon Dioxide (SiO2)
mineral
Agate Geode
Silicon Dioxide (SiO2) - Chalcedony variety
sedimentary
Basalt with Quartz Vein
Basalt with silicon dioxide (SiO2) inclusion
igneous
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Milky Quartz with inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Garnet Gneiss
Garnetiferous quartzo-feldspathic gneiss
metamorphic
Fuchsite
K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)
mineral
Basalt
Mafic Extrusive Igneous Rock
Igneous
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Blue Quartzite (Aventurine)
Silicon Dioxide (SiO2) with mineral inclusions
metamorphic
Green aventurine cabochon (probable)
Quartz, SiO₂, with green fuchsite or chlorite inclusions
mineral
Blue sapphire ring
Corundum (aluminum oxide, Al₂O₃), likely heat-treated sapphire
gemstone
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Leopard jasper (orbicular jasper)
Silicified volcanic rock, chiefly microcrystalline quartz/chalcedony (SiO₂) with feldspar and iron-oxide inclusions
metamorphic