Igneous, Sedimentary, Metamorphic, Mineral

Agate

Silicon Dioxide (SiO2)

Blue Quartz (Dumortierite Quartz)

SiO2 with inclusion of AlAl6BSi3O18

Sodalite

Na8(Al6Si6O24)Cl2

Milky Quartz

Silicon Dioxide (SiO2)

Citrine

Silicon dioxide (SiO2)

Labradorite

Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8

Schorl (Black Tourmaline)

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

Smoky Quartz

Silicon Dioxide (SiO2)

Mica

Phyllosilicate (group name), typically Muscovite KAl2(AlSi3O10)(OH)2 or Biotite K(Mg,Fe)3(AlSi3O10)(OH)2

Morganite (Pink Beryl)

Beryllium aluminum silicate Be3Al2(SiO3)6

Sodalite

Sodalite [Na8(Al6Si6O24)Cl2]

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Hematite

Iron Oxide (Fe2O3)

Epidote

Epidote - {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Beaded Jewelry (Assorted Gemstones)

Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ

Tumbled Stones Collection (Tiger's Eye, Snowflake Obsidian, Aventurine, etc.)

Silica minerals (primarily SiO2)

Quartz with Actinolite or Tourmaline inclusions

Silicon Dioxide (SiO2) with Ca2(Mg,Fe)5Si8O22(OH)2 or Tourmaline group inclusions

Quartz Vein Rock

Silicon Dioxide (SiO2)

Feldspar (Plagioclase / Orthoclase)

KAlSi3O8 / CaAl2Si2O8 - NaAlSi3O8

Moonstone

Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8)

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Moonstone

Orthoclase Feldspar (KAlSi3O8) with inclusions of Albite

Red Garnet (Pyrope or Almandine)

Garnet Group (A3B2(SiO4)3)

Garnet (Pyrope-Almandine series)

Garnet Group, (Mg,Fe)3Al2Si3O12

Muscovite Mica

Muscovite (Potassium Aluminum Silicate Hydroxide), KAl2(AlSi3O10)(OH)2

Pink Feldspar

Potassium Feldspar (KAlSi3O8)

Biotite (Mica)

Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2

Muscovite Mica

Muscovite - KAl2(AlSi3O10)(OH)2

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Biotite Mica

K(Mg, Fe)3(AlSi3O10)(F, OH)2

Blue Quartz

Quartz (Silicon Dioxide) with inclusions, SiO2

Blue Quartz

Quartz (Silicon Dioxide) with blue inclusions (SiO2)

Magnetite / Iron-Rich Basalt

Magnetite bearing Mafic Rock (Fe3O4)

Hematite

Hematite (Fe2O3)

Limonite or Goethite (Ironstone)

Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)

Black Tourmaline (Schorl)

Schorl (Complex sodium iron aluminum borosilicate)

Smoky Quartz

Smoky Quartz (SiO2)

Mica Schist

Schist (Mica-rich Metamorphic Rock)

Wollastonite

Calcium Inosilicate, CaSiO3