Mixed (Igneous, Sedimentary, Metamorphic, And Minerals)

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Muscovite Mica

Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2

Quartzite with Chlorite/Epidote

Metamorphosed Quartzite (SiO2)

Ocean Jasper Mushroom

Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)

Rose Quartz Chips

Quartz (Silicon Dioxide - SiO2)

Serpentine

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

White Jade / White Chalcedony

Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Mica Schist

Mica Schist (primarily Muscovite and Quartz)

Rose Quartz

Silicon Dioxide with trace inclusions of dumortierite or titanium (SiO2)

Shale or Mudstone (Based on appearance)

Shale (fine-grained, laminated fissile sedimentary rock) / Mudstone (fine-grained, non-fissile sedimentary rock)

Biotite (Mica)

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

Muscovite Mica

Muscovite - KAl2(AlSi3O10)(OH)2

Garnet (Almandine)

Almandine, Fe3Al2Si3O12

Aventurine

Silicon Dioxide (SiO2) with inclusions

Pyrite

Iron Sulfide (FeS2)

Ironstone Concretion / Limonite-stained Siltstone

Ironstone (primarily Limonite FeO(OH)·nH2O and Siltstone)

Morganite (Pink Beryl)

Beryllium aluminum silicate Be3Al2(SiO3)6

Garnet

Garnet Group (complex nesosilicates with general formula X3Y2(SiO4)3, where X can be Ca, Mg, Fe2+, Mn2+ and Y can be Al, Fe3+, Cr3+, V3+)

Smoky Quartz

Silicon Dioxide (SiO2)

Rough Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Sodalite

Na8(Al6Si6O24)Cl2

Milky Quartz

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)

Sodalite

Sodalite [Na8(Al6Si6O24)Cl2]

Smoky Quartz

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Moonstone

Orthoclase Feldspar (containing Albite lamellae), (KAlSi3O8)

Specular Hematite

Specularite (Fe2O3)

Ruby

Corundum (Al2O3 with Chromium traces)

Ruby (Corundum)

Corundum (Aluminum Oxide) with chromium trace elements, Al2O3

Peach Moonstone

Potassium Aluminum Silicate, KAlSi3O8

Ruby in Zoisite

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Limonite/Goethite on Shale

Hydrous ferric oxides (FeO(OH)·nH2O) often associated with argillaceous rock

Amazonite

K(AlSi3O8), Microcline (potassium feldspar)

Moonstone

Adularia (orthoclase) or Albite (plagioclase), a potassium aluminum silicate of the feldspar group

Smoky Quartz

Silicon Dioxide (SiO2)