Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Category
Metamorphic Rock (Specifically A Rock Composed Of Minerals)
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Granite
Phaneritic Felsic Igneous Rock
igneous
Serpentine (Serpentinite)
Serpentinite (composed largely of serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Unakite
Unakite (Epidotized Granite)
metamorphic
Sandstone (Ferruginous)
Clastic Sedimentary Rock (Sandstone)
sedimentary
Quartz vein in host rock
Milky quartz (SiO₂) with likely metamorphic country rock, possibly gneiss or schist
metamorphic
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Plagioclase)
igneous
Nuummite
Nuummite (Orthoamphibole rock composed of Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)
metamorphic
Granite (Giallo Ornamental / Venetian Gold)
Granite (composed mainly of Quartz, Feldspar, Biotite, and Garnet)
igneous
Quartzite
Quartzite
metamorphic
Likely hornblende-rich amphibolite
Amphibolite, composed chiefly of hornblende (amphibole) and plagioclase feldspar
metamorphic
Conglomerate
Conglomerate (a clastic sedimentary rock)
Sedimentary Rock
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite
Quartzite (composed primarily of Silica, SiO2)
metamorphic
Red Sandstone
Arenite (primarily Quartz with Iron Oxide coating)
sedimentary
Schist
Metamorphic Schist
metamorphic
Carved Soapstone (Steatite)
Steatite (talc-rich metamorphic rock)
metamorphic
Granite
Granite (Felsic Plutonic Rock)
Igneous
Biotite-bearing granite
Granite, composed chiefly of quartz, feldspar, and biotite; exact identification is uncertain from the photo.
igneous
Serpentine
Antigorite, Lizardite, or Chrysotile (Mg3Si2O5(OH)4)
metamorphic
Sandstone (Banded)
Arenite (primarily SiO2)
sedimentary
African Turquoise
Jasper / Quartz matrix (Trade name: African Turquoise, chemically a form of microcrystalline quartz with various mineral inclusions)
gemstone
Pink Granite
Phaneritic intrusive igneous rock (high Orthoclase Feldspar content)
igneous
Shale
Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)
sedimentary
Schist with Biotite Inclusion
Biotite-bearing Mica Schist (K(Mg,Fe)3AlSi3O10(F,OH)2)
metamorphic
Bloodstone
Heliotrope (a variety of Chalcedony, SiO₂ with inclusions)
Metamorphic Rock
Granite
Intrusive Igneous Rock
igneous
Gneiss
Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Mica/Amphibole)
metamorphic
Sandstone
Clastic Sedimentary Rock
sedimentary
Diorite
Diorite (intermediate intrusive igneous rock)
igneous
Quartzite
Quartzite (SiO2 silicon dioxide)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Granite
Intrusive igneous rock
igneous
Red Sandstone
Arenite (with Iron Oxide cement)
sedimentary
Basalt with Amygdaloidal Inclusions
Aphanitic Mafic Volcanic Rock (Basalt)
igneous
Weathered granite
Granite, a coarse-grained felsic intrusive igneous rock composed mainly of quartz, feldspars, and mica
igneous
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Likely blue-gray slate
Slate, a fine-grained metamorphic rock composed mainly of mica-group minerals and quartz
metamorphic
Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Granite Pegmatite
Phaneritic Plutonic Igneous Rock
igneous