Mineral On Igneous Rock

Diorite (Dalmatian Stone)

Phaneritic Plutonic Diorite

Granite

Granite (silica-rich intrusive igneous rock)

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Basalt

Mafic volcanic rock (various silicate minerals including Pyroxene and Plagioclase)

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Biotite Mica

K(Mg,Fe)3AlSi3O10(OH)2

Granite

Granite (a common term for a felsic intrusive igneous rock)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Water-worn pebble)

Silicon Dioxide (SiO2)

River Cobble (likely Basalt or Rhyolite)

Extrusive Igneous Rock (Mafic or Intermediate)

Clear Quartz

Silicon Dioxide (SiO2)

Sunstone

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

Basalt with Quartz/Feldspar Vein

Amygdaloidal Basalt with Plutonic intrusion (SiO2/KAlSi3O8)

Quartz with Mica inclusions (likely Schist or Gneiss host)

Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)

Granite

Granite (Phaneritic intrusive igneous rock)

Gneiss (High-Grade Metamorphic Rock)

Gneiss (primarily composed of Quartz, Feldspar, and Mica/Amphiboles)

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Extrusive)

Granite

Phaneritic Felsic Igneous Rock (Granite)

Feldspathic Granite (likely Syenite or Granite Pegmatite)

Phaneritic Acidic Igneous Rock (KAlSi3O8 dominant with SiO2)

Greenstone

Metabasalt / Greenschist facies rock

Milky Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Corundum (Sapphire in Host Rock)

Corundum (Aluminum Oxide, Al2O3)

Clear Quartz

Silicon Dioxide (SiO2) / Rock Crystal

Granite

Phaneritic Felsic Igneous Rock (Granite)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Granite

Granite (Felsic Plutonic Rock)

Quartz / Rock Crystal

Silicon Dioxide (SiO2)

Granite

Granite (composed mainly of Quartz, Feldspar, and Mica)

Basalt-Amugydule (Amygdaloidal Basalt)

Aphanitic Mafic Igneous Rock with Vesicle Infillings

Quartz in Matrix (possibly with Biotite or Hornblende)

Quartz (Silicon Dioxide, SiO2) in Granitic Matrix

Granite (with Orthoclase and Quartz)

Phaneritic Felsic Igneous Rock (KAlSi3O8 + SiO2)

Epidote in Basalt

Epidotized Basalt (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH) in Mafic Igneous Host)

Diamond in Kimberlite

Kimberlite host rock with C (Carbon) inclusion

Clear Quartz Cluster

Silicon Dioxide (SiO2)

Granite

Granite (compositionally: Quartz, Feldspar, Mica)

Diorite

Diorite (Intermediate intrusive igneous rock)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Chalcedony (Agate/Carnelian precursor)

Chalcedony (Silicon Dioxide, SiO2)

Granitic Gneiss

Gneiss (containing Potassium Feldspar and Quartz)

Granite

Granite (felsic intrusive igneous rock)