Mineral On Igneous Rock

Muscovite Mica

Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))

Granite

Granitoid (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8 + SiO2)

Granite

Granite (Phaneritic Quartz-Feldspar Plutonic Rock)

Pink Granite

Phaneritic Felsic Igneous Rock (Granite)

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).

Gneiss

Gneiss (High-grade regional metamorphic rock)

Lapis Lazuli (Lazurite crystals on Marble)

Lazurite / (Na,Ca)8[(S,Cl,SO4,OH)2|(AlSiO4)6]

Granite

Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)

Pink Granite

Granite (Phaneritic igneous rock composed mainly of quartz, alkali feldspar, and plagioclase)

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Basalt Pebble

Basalt (Mafic Extrusive Igneous Rock)

Granite

Granite (High-silica plutonic rock)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Pumice

Pumice (a highly vesicular extrusive igneous rock)

Basalt River Stone

Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Schorl (Black Tourmaline) in Pegmatite

Sodium Iron Aluminum Borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)

Labradorite (likely Black Labradorite or Larvikite)

Labradorite (Na,Ca)(Al,Si)4O8. If a rock, it is typically anorthosite, gabbro, or norite, or a variety of syenite called Larvikite if it is specifically from Larvik, Norway.

Basalt (Water-worn Pavement Stone)

Basalt (Mafic Extrusive Igneous Rock)

Porphyritic Basalt (with Quartz or Calcite inclusion)

Porphyritic Basalt (Matrix: SiO2/MgO/FeO, Phenocryst: likely Quartz or Calcite)

Basalt River Pebble

Basalt (fine-grained mafic igneous rock)

Scoria (Volcanic Rock)

Scoria (often basaltic scoria)

Greenschist (Greenstone)

Greenschist (Metamorphic rock containing chlorite, actinolite, and epidote)

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2, with varying amounts of Calcite, Pyrite, and Sodalite).

Scoria (Lava Rock)

Vesicular Basalt / Scoria

Gneiss

Gneiss (High-grade regional metamorphic rock)

Basalt

Basalt

Dalmatian Stone

Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)

Diorite (River Pebble)

Phaneritic Intermediate Plutonic Rock (Diorite)

Granite Cobble/Pebble

Granite

Amethyst

SiO2 (Silicon Dioxide) - a variety of Quartz

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Banded Gneiss

Gneiss (Metamorphic high-grade rock)

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Granite

Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)

Greenschist

Chlorite schist (Metamorphic rock dominated by chlorite, epidote, and actinolite)

Porphyritic Basalt (River Rock)

Porphyritic Basalt

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Gneiss

Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Mica/Amphibole)

Granite

Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)

Vesicular Basalt

Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Quartz (Clear / Rock Crystal)

Silicon Dioxide (SiO2)