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

Garnet Schist

Almandine Garnet Schist (Fe3Al2(SiO4)3 in Schistose matrix)

Mixed Gemstone Bracelet

Mixed natural minerals and rocks (e.g., Rhodonite, Malachite, Sodalite, Rose Quartz, Black Tourmaline, Quartz/Chalcedony variants)

Mineral/Rock assemblage

Schorl (Black Tourmaline)

Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe3Al6(BO3)3Si6O18(OH)4

Muscovite Mica

Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))

Garnet-Mica Schist

Schist (variety with Almandine Garnet, Fe3Al2(SiO4)3)

Quartz (Float/Abraded)

Quartz (SiO₂)

Serpentinite

Serpentinite (composed primarily of serpentine-group minerals like antigorite, chrysotile, and lizardite; chemical formula varies but generally Mg3Si2O5(OH)4)

Metamorphic Rock

Aragonite

Aragonite (Calcium Carbonate - CaCO3)

metamorphic or sedimentary

Greenstone / Glauconitic Siltstone

Metabasalt or Glauconite-rich Sedimentary Rock

Banded Gneiss

Gneiss (pronounced "nice")

Bornite

Bornite (Cu5FeS4)

Smoky Quartz

Silicon Dioxide (SiO2)

Schist

Schist (various mineral compositions)

Granitic Pegmatite

Granitic Pegmatite with Quartz and Feldspar

igneous

Epidote

Epidote (Ca2(Al2,Fe3+)AlSi3O12(OH))

Rutilated Quartz

Quartz (SiO2) with Rutile (TiO2) inclusions

Fluorite

Fluorite (CaF₂)

Quartz-veined Mudstone or Argillite

SiO2 (Quartz) in Siltstone/Mudstone matrix

sedimentary

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)

Basalt (Porphyritic)

Basalt (Mafic Extrusive Igneous Rock)

igneous

Bornite

Bornite (Cu5FeS4)

Metamorphic Rock (specifically a rock composed of minerals)

Ruby in Zoisite

Ruby (Corundum, Al2O3) in Zoisite (Calcium aluminum silicate hydroxide, Ca2Al3(SiO4)3(OH)) with some Hornblende

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

Schist

Mica Schist (Variable chemistry, often rich in muscovite and biotite)

Serpentine

Serpentinite (rock), Serpentine group minerals (e.g., Antigorite, Lizardite, Chrysotile)

Metamorphic rock

Labradorite

Labradorite (Plagioclase Feldspar Series) - (Ca, Na)(Al, Si)4O8

Lepidolite

K(Li,Al)3(Si,Al)4O10(F,OH)2

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Labradorite

Labradorite (Ca,Na)(Al,Si)4O8

Smoky Quartz

Silicon Dioxide (SiO2)

Granite with Epidote

Granite, containing quartz, feldspar, and epidote

Igneous

Smoky Quartz

Silicon Dioxide (SiO2)

Calcite

Calcite (CaCO₃, Calcium Carbonate)

Quartz (Rock Crystal) with minor impurities

Quartz (SiO2)

Quartz (likely Milky Quartz)

Quartz (SiO₂ - Silicon Dioxide)

Sunstone

Plagioclase Feldspar (specifically Oligoclase variety with hematite or goethite inclusions) Chemical Formula: (Ca,Na)(Al,Si)2Si2O8

Garnet (likely Pyrope or Almandine)

Garnet Group (complex nesosilicate minerals, e.g., Pyrope Mg3Al2(SiO4)3, Almandine Fe3Al2(SiO4)3, Spessartine Mn3Al2(SiO4)3, Grossular Ca3Al2(SiO4)3, Andradite Ca3Fe2(SiO4)3, Uvarovite Ca3Cr2(SiO4)3). The vivid red color in the image strongly suggests Pyrope or Almandine.