Mineral In Igneous Rock

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Granite

Intrusive igneous rock

Granite Pebble

Intrusive Igneous Rock

Banded Igneous Dike Rock

Intrusive igneous rock with felsic/mafic banding

Granite Pebble

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Granite Pebble

Granite (Plutonic Igneous Rock)

Granite

Intrusive Igneous Rock

Granite and Porphyry Pebbles

Intrusive Igneous Rock

Rough Apatite in Matrix

Fluorapatite / Chlorapatite / Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))

Granite

Granite

Pyrite in Quartz Matrix

Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)

Granite

Felsic intrusive igneous rock

Granite

Intrusive Igneous Rock

Amygdaloidal Basalt with Quartz Veining

Basalt (Extrusive Igneous Rock) with Quartz (SiO2) veining

Granite

Intrusive Igneous Rock

Granite

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

Porphyritic Basalt or Porphyritic Andesite

Porphyritic Extrusive Igneous Rock

Porphyritic Igneous Rock / Rhyolite Porphyry

Porphyritic volcanic rock

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Granite Pebble

Intrusive Igneous Rock

Granite Pebble

Intrusive Igneous Rock

Granite

Granite

Basalt with Quartz Vein

Extrusive Igneous Rock / Volcanic Rock

Granite

Granite (Intrusive Igneous Rock)

Granite

Felsic intrusive igneous rock

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Granite Pebble

Intrusive Igneous Rock (Quartz, Feldspar, Mica)

Basalt

Extrusive Igneous Rock

Quartz (Druzy)

Silicon Dioxide (SiO2)

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Granite

Intrusive igneous rock

Granite

Intrusive Igneous Rock

Weathered granite or granitic gneiss

Granite: quartz, feldspar, and mica; possibly gneiss if the dark minerals are banded

Dalmatian Stone

Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock