Metamorphic Or Igneous With Mineral Inclusion

Browse metamorphic or igneous with mineral inclusion specimens identified by the Rock Identifier community.

Dendritic Opal (Common Opal)

Amorphous Hydrated Silica (SiO2·nH2O) with Manganese or Iron Oxide inclusions

mineral

Magnetite

Magnetite (Fe3O4)

Mineral

Chalcedony (Agate)

Silicon Dioxide (SiO2)

mineral

Sunstone

Oligoclase (a plagioclase feldspar variant), (Na,Ca)(Al,Si)4O8

mineral

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Mineral

Green Druzy Quartz (Prasiolite)

Silicon Dioxide (SiO2) with inclusions (typically Chlorite or Actinolite)

mineral

Cat's Eye Moonstone (Feldspar)

Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8) inclusions

mineral

Coarse-grained Quartz with Feldspar inclusions

Crystalline Quartz (SiO2) with Orthoclase/Plagioclase Feldspar inclusions

igneous

Jasper in Quartzite (likely Cinnabar or Iron inclusions)

Silicon dioxide (SiO2) with impurities

metamorphic

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

mineral

Gneiss

Metamorphic rock of high-grade regional metamorphism

metamorphic

Tree Agate

Silicon Dioxide (SiO2) with Chlorite inclusions

Mineral variant

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

mineral

Lapis Lazuli (polished cabochon)

Lazurite-rich rock (Na8[Al6Si6O24]n(S,Cl,SO4,OH)2)

metamorphic

Moss Agate

Chalcedony (Silicon Dioxide, SiO2) with inclusions of Chlorite, Manganese, or Iron

mineral

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)

metamorphic

Dalmatian Stone

Dalmatian Jasper / Feldspathic Igneous Rock

igneous

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

mineral

Muscovite Mica (with Quartz)

Muscovite (KAl2(AlSi3O10)(OH)2)

mineral

Quartz Pebble

Silicon Dioxide (SiO2)

mineral

Green Moss Agate

Agate (Silicon Dioxide - SiO2) with inclusions of hornblende or chlorite

mineral

River Cobble (Quartzite with Iron Staining)

Metamorphic Quartzite (SiO2 with Fe2O3 inclusions)

metamorphic

Pyrite (Iron Pyrites)

Iron Sulfide (FeS2)

mineral

Epidote in Quartz

Epidote (Ca2(Al,Fe)3(SiO4)3(OH)) in Milky Quartz (SiO2)

metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Mineral (Variety of Quartz)

Nuummite

Nuummite (intergrowth of orthoamphiboles Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)

metamorphic

White Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

mineral

Gneiss

Gneissic Metamorphic Rock

metamorphic

Granitic Pegmatite

Granite (with coarse-grained Quartz, Feldspar, and Mica components)

igneous

K2 Jasper (K2 Granite)

Azurite in Granite (K(Mg,Fe)3AlSi3O10(OH,F)2 + Cu3(CO3)2(OH)2)

igneous

Milk Quartz (River Pebble)

Quartz (Silicon Dioxide, SiO2)

mineral

Magnetite (likely in Hematite or Ironstone)

Magnetite (Fe3O4)

mineral

Bloodstone (Heliotrope)

Silicon Dioxide (SiO2) with inclusions of Chlorite or Actinolite

sedimentary

Dendritic Agate or Spotted Quartzite

Silicon Dioxide (SiO2) with inclusions

metamorphic

Diorite (Salt and Pepper Rock)

Phaneritic Plutonic Diorite (Plagioclase Feldspar + Amphibole/Biotite)

igneous

Mica Group Minerals

There isn't a single scientific name as 'Mica' refers to a group of phyllosilicate minerals. Common scientific names include Muscovite (KAl₂ (AlSi₃O₁₀)(OH)₂), Biotite (K(Mg,Fe)₃AlSi₃O₁₀(OH)₂), Phlogopite (KMg₃AlSi₃O₁₀(OH)₂), and Lepidolite (K(Li,Al)₃(Al,Si,Rb)₄O₁₀(F,OH)₂).

Mineral