Igneous And Sedimentary

Granite (Background) and Quartzite/River Pebble (Foreground Heart)

Phaneritic Felsic Igneous Rock (Granite background)

Basalt with Calcite Veining

Aphanitic Mafic Igneous Rock (Basalt) with CaCO3

Vesicular Basalt

Vesicular Basalt (Aphanitic Mafic Igneous Rock)

K2 Azurite Granite / K2 Stone

Granite (igneous rock) with Azurite inclusions (mineral)

Granodiorite

Granodiorite (calc-alkaline phaneritic igneous rock)

Granite

Phaneritic Plutonic Igneous Rock (Rich in SiO2)

Scoria (Lava Rock)

Scoria (highly vesicular extrusive igneous rock)

Basalt (Stream-worn Cobble)

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Basalt-Amugydule (Amygdaloidal Basalt)

Aphanitic Mafic Igneous Rock with Vesicle Infillings

Basalt River Pebble

Mafic Igneous Rock (Fine-grained Basalt)

Basalt with Iron Oxidation

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Scoria (Lava Rock)

Scoria (Extrusive Igneous Rock / Mafic Silicates)

Basalt with Iron Oxidation

Vesicular Basalt (Aphanitic Mafic Igneous Rock)

Basalt

Basalt (Phaneritic/Aphanitic Mafic Igneous Rock)

Vesicular Basalt

Extrusive Mafic Igneous Rock (Vesicular Basalt)

Pegmatite

Coarse-grained Igneous Rock (Granitic Pegmatite)

Vesicular Basalt (or Scoria)

Basalt (Aphanitic-Vesicular Mafic Igneous Rock)

Crinoid Marble (Fossilized Limestone)

Crinoidal Limestone (comprising Calcite/Aragonite CaCO3)

Biotite Mica

K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2

Aquamarine

Beryl (Be3Al2Si6O18), specifically the blue-green variety

Pink Granite

Phaneritic Felsic Intrusive Igneous Rock

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Granite

Granite (Felsic intrusive igneous rock)

Diorite

Diorite (intermediate intrusive igneous rock)

Granite

Granite (Felsic intrusive igneous rock)

Granite (specifically the Ubatuba variety)

Phaneritic Igneous Rock (Granodiorite/Monzogranite)

Basalt (Weathered River Stone)

Basalt (Extrusive Mafic Igneous Rock)

Pink Granite

Granite (Phaneritic Felsic Igneous Rock)

Scoria (Lava Rock)

Aphanitic vesicular mafic igneous rock

Diorite

Diorite (Intermediate intrusive igneous rock)

Diorite

Diorite (Intermediate intrusive igneous rock)

Granite

Granite (Phaneritic Acid Igneous Rock)

Basalt (River Rock pebble)

Basalt (a mafic extrusive igneous rock)

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Granite Pebble

Granite (Phaneritic intrusive igneous rock)

Granite

Phaneritic Felsic Intrusive Igneous Rock

Diorite

Diorite (Intermediate intrusive igneous rock)

Granite Pebble (Salt and Pepper Granite)

Felsic Intrusive Igneous Rock (Granite)

Basalt River Stones

Aphantic Mafic Igneous Rock (Basalt)

Pink Granite

Phaneritic Felsic Igneous Plutonic Rock