Metamorphic Rock (For Nephrite And Some Jadeite); Mineral (For Jadeite)

Sandstone

Sandstone (clastic sedimentary rock, composed predominantly of sand-sized minerals or rock fragments)

Sedimentary Rock

Quartzite with Iron Hydroxide Staining

Quartzite (primarily SiO2) with Limonite/Goethite staining

Diamond Drill Core (Greenschist and Quartzite)

Chlorite Schist / Meta-quartzite (Metamorphic Rock Core Sample)

Orthoclase Feldspar (Salmon variety)

Orthoclase, KAlSi3O8

Quartz

Silicon Dioxide (SiO2)

Porphyritic Basalt or Diabase with Plagioclase Phenocrysts

Porphyritic Basalt or Diabase; Mineral: Plagioclase Feldspar

Igneous

Blue Quartzite

Quartzite (primarily SiO2 with inclusions like Dumortierite or Magnesio-riebeckite)

Granodiorite (Gneissic Pebble)

Granodiorite displaying minor foliation

igneous/metamorphic

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz (Rock Crystal)

Quartz (SiO₂ - Silicon Dioxide)

Serpentinite

Serpentinite (composed largely of serpentine group minerals including Antigorite, Lizardite, or Chrysotile)

Mica Schist

Mica Schist (primarily Muscovite and Quartz composition)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Serpentinite

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

Petrified Wood

Silicified Wood (SiO2)

Milky Quartz with Iron Inclusions

Quartz (Silicon Dioxide, SiO2)

Magnetite (potentially as a Lodestone or within Ironstone)

Magnetite (Fe3O4)

Green Druzy Quartz (Prasiolite)

Silicon Dioxide (SiO2) with inclusions (typically Chlorite or Actinolite)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Smoky Quartz (Vein Quartz)

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2

Petrified Wood

Silicified Wood (SiO2)

Schist (Biotite/Mica Schist)

Medium-grade regional metamorphic rock (rich in Phyllosilicates)

Schist (Chlorite or Mica-rich)

Chlorite Schist

Slate

Foliated Metamorphic Rock (composed primarily of silica and alumina with iron and magnesium)

Quartz (likely Clear Quartz or Rock Crystal)

Quartz (SiO2)

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions

Quartz (vein quartz)

SiO2 (Silicon Dioxide)

Schist

Mica Schist

sedimentary or metamorphic

Limonite-stained Quartz / Quartzite

Silicon Dioxide (SiO2) with iron hydroxides (FeO(OH)·nH2O)

Epidosite (Epidote-rich rock)

Epidotalite (primarily Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH))

Yellow Quartz (Citrine/Yellow Jasper mix)

Silicon Dioxide (SiO2) with iron oxide inclusions

Mica Schist

Mica Schist (Quartz-Biotit-Muscovite Schist)

Tiger's Eye

Silicon dioxide with crocidolite fibers (SiO2 with chrysotile amphibole inclusions)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Petrified Wood

Silicified Wood (SiO2)

Sandstone

Quartz Arenite (a common type of sandstone, given the appearance), Arkose, Greywacke (depending on mineralogy)

Sedimentary Rock

Calcite

Calcite (CaCO₃)