Metamorphic Rock (Primarily Composed Of Minerals)

Red Sandstone

Sandstone (principally Quartz with Iron Oxide coating)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of serpentine group minerals like lizardite, antigorite, and chrysotile)

Sandstone

Arenite (SiO2 based)

Quartzite (Yellow/Tan)

Metamorphic Rock composed of Quartz (SiO₂)

Slate

Foliated Metamorphic Rock (composed mainly of clay minerals or micas)

Quartzite

Quartzite (primarily composed of SiO O₂)

Shale

Fissile mudrock (composed primarily of clay minerals and quartz)

Soapstone

Steatite (primarily composed of Talc, Mg₃Si₄O₁₀(OH)₂)

Sandstone

Arenite (composed primarily of SiO2)

Marble

Metamorphic rock composed of Recrystallized Carbonate Minerals (chiefly CaCO3)

Quartz (pebble)

Quartz (SiO₂)

Greenstone (Greenschist facies)

Greenschist (composed primarily of Chlorite, Actinolite, and Epidote)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Veined Pebble (likely a Quartz-Veined Pebble)

Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)

Wishing Stone with Quartz Veins

Quartzite or Quartz-veined Metamorphic Rock (composed mainly of SiO2)

Bauxite

Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)

Quartzite

Quartzite (composed primarily of Silica, SiO2)

Sandstone (Ferruginous)

Arenite (composed primarily of SiO2 with Fe2O3 staining)

Dalmatian Stone

Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock

Bauxite

Bauxite (Al2O3·nH2O)

Dalmatian Jasper

Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)

Basalt

Basalt (primarily composed of Plagioclase Feldspar and Pyroxene)

Quartzite (River Pebble)

Quartzite (composed primarily of Silica, SiO2)

Laterite

Laterite (no specific mineral formula as it's a rock type)

Serpentine Jade (New Jade/Olive Jade)

Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite

Greenstone (Epidote/Chlorite Rich Rock)

Metabasalt (often contains Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))

Quartzite (River Pebble)

Quartzite (composed primarily of Silica, SiO2)

Slate

Slate (foliated metamorphic rock, primarily composed of quartz, illite, chlorite, and micas)

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Greenstone (Amygdaloidal Basalt)

Amygdaloidal Basalt (frequently composed of Plagioclase Feldspar, Pyroxene, and Olivine with Chlorite inclusions)

Sandstone

Arenite (SiO2 based)

Sandstone (Quartzose Sandstone)

Arenite (primarily SiO2)

Serpentine

Serpentinite (a rock composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite; general formula (Mg, Fe)3Si2O5(OH)4)

Schist

Mica Schist (primarily composed of quartz, feldspar, and mica)

Bauxite

Bauxite (Al2O3·2H2O)

Basalt

Basalt (dominated by plagioclase feldspar and pyroxene minerals)

Granitic Gneiss

Gneiss (Metamorphic rock of granitic composition)

Eclogite

Eclogite (composed primarily of Omphacite and Pyrope Garnet)

Gneiss (Granitic Gneiss)

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

Sandstone

Arenite (primarily SiO2 with various cementing agents)

Marble

Recrystallized Calcite (CaCO3)