Metamorphic Rock (Specifically A Rock Composed Of Minerals)

Dragon Blood Jasper (Dragon Stone / Epidote-Piemontite/Jasper rock)

Epidote with Piemontite / Chalcedony aggregate

Slate

Foliated Metamorphic Rock (primarily composed of Muscovite, Chlorite, and Quartz)

Sandstone (Red)

Arenite (composed primarily of SiO2)

Andesite

Intermediate Volcanic Rock (Andesite)

Serpentine-rich rock (possibly lizardite/serpentinite)

Serpentinite, composed chiefly of serpentine-group minerals such as lizardite, antigorite, or chrysotile

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, e.g., Antigorite, Lizardite, Chrysotile)

Greenstone / Serpentinite

Serpentinite (composed primarily of minerals from the serpentine group Mg3Si2O5(OH)4)

Gneiss

Gneiss (Metamorphic rock composed primarily of Quartz, Feldspar, and Mica/Amphibole)

Likely slate

Slate, a fine-grained metamorphic rock composed mainly of mica-group minerals, chlorite, and quartz

African Turquoise (Jasper)

Quartz (SiO2) with impurities (Epidote/Amphibole)

Granite

Felsic intrusive igneous rock

Rounded greenish metamorphic rock, likely serpentinite

Serpentinite, composed mainly of serpentine-group minerals (antigorite, lizardite, or chrysotile)

Banded gneiss (likely granitic gneiss)

Foliated gneiss composed mainly of quartz, feldspar, and dark biotite/amphibole

Blue Apatite

Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)

Banded quartz-rich metamorphic rock (likely quartzite or quartz-mica schist)

Quartzite/schist composed chiefly of SiO₂ quartz with mica, feldspar, and iron-oxide or copper-colored accessory minerals

Sandstone (Tumbled/River Pebble)

Arenite (composed primarily of SiO2)

Tumbled purple stone, likely amethyst-bearing quartzite or dyed quartz

Quartz (SiO₂), possibly microcrystalline quartzite; purple color may be from iron-related amethyst or artificial dye

Likely serpentinite (serpentine-rich rock)

Serpentinite, composed mainly of serpentine-group minerals (e.g., antigorite, lizardite, or chrysotile)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)

Weathered granitic boulder

Granite, typically composed of quartz, feldspar, and mica

Schist

Schist; commonly mica schist, composed chiefly of muscovite/biotite mica with quartz and feldspar

Schist

Mica Schist

Layered metamorphic rock, possibly banded gneiss

Gneiss (tentative; exact identification requires closer examination)

Granite Pebble

Granite (Phaneritic Quartz-Feldspar Rock)

Granite

Phaneritic plutonic rock (approx. 20-60% quartz, 35-90% feldspar)

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite)

Serpentinite

Serpentinite (composed primarily of Serpentine minerals: Mg3Si2O5(OH)4)

Blue sodalite-bearing rock, possibly lapis lazuli

Sodalite (Na₈Al₆Si₆O₂₄Cl₂), likely in a feldspathoid-rich aggregate

Granite

Granite (Plutonic Igneous Rock)

Quartz (likely) or a Quartzite Pebble

Silicon dioxide (SiO2) for quartz. If it's quartzite, it's a metamorphic rock primarily composed of quartz.

Vesicular Basalt

Basalt (Mafic volcanic rock)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)

Weathered, iron-stained quartz-rich rock (possibly quartzite)

Likely quartzite, composed mainly of quartz (SiO₂); identification is provisional from the image

Serpentinite

Serpentinite (composed primarily of Serpentine minerals: Mg3Si2O5(OH)4)

Granite

Felsic intrusive igneous rock

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Seashell (Calcium Carbonate)

Calcium Carbonate (CaCO3)

Quartzite

Metamorphic Rock (composed mainly of SiO2)

Quartzite (River Cobble)

Metamorphic Rock (composed predominantly of SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Serpentinite

Serpentinite (composed mainly of serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Likely blue-gray slate

Slate, a fine-grained rock composed mainly of mica-group minerals and quartz