Sedimentary And Metamorphic Minerals

Magnetite / Iron Ore

Magnetite (Fe3O4)

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Lapis Lazuli (polished cabochon)

Lazurite-rich metamorphic rock (approx. Na6Ca2Al6Si6O24(SO4,S,Cl)2)

Lapis Lazuli

Sodium aluminum silicate with sulfur (main component: Lazurite [(Na,Ca)8(AlSiO4)6(SO4,S,Cl)2])

Schist

Mica Schist

Quartz (Quartzite)

Silicon Dioxide (SiO2)

Lapis Lazuli

Na8[Al6Si6O24]n(S,Cl,SO4,OH)2

Garnet (Almandine variety)

Almandine, Fe3Al2(SiO4)3

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) within Sedimentary/Metamorphic Matrix

Pyrite

Iron Sulfide (FeS2)

Blue Apatite

Apatite - Ca5(PO4)3(F,Cl,OH) (Calcium phosphate with Fluorine, Chlorine, or Hydroxyl)

Milky Quartz

Silicon Dioxide (SiO2)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Sandstone (Ferruginous/Banded)

Clastic Terrigenous Sandstone (SiO2 with Fe2O3 cement)

Dalmation Stone

Peralkaline Rock (SiO2 with Arfvedsonite)

Quartz

Quartz (SiO2 - Silicon Dioxide)

Milky Quartz

Silicon Dioxide (SiO2)

Nephrite Jade

Tremolite-actinolite series (Ca2(Mg,Fe)5Si8O22(OH)2)

Garnet-Mica Schist

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

Quartzite (specifically an iron-stained or Carnelian-colored variety)

Silicon Dioxide (SiO2) with iron oxide inclusions

Quartzite with Iron Hydroxide Staining

Quartzite (primarily SiO2) with Limonite/Goethite staining

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Pyrite in Matrix (Quartz/Schist)

Iron Sulfide (FeS2)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, e.g., Antigorite, Lizardite, Chrysotile)

White Jade / Jadeite

NaAlSi2O6 (Sodium Aluminum Silicate)

Greenstone / Serpentinite

Serpentinite (composed primarily of minerals from the serpentine group Mg3Si2O5(OH)4)

Anyolite (Ruby in Zoisite)

Zoisite with inclusions of Corundum; Ca2Al3(SiO4)3(OH) + Al2O3

Mica Schist

Mica Schist (Intermediate-grade Metamorphic Rock)

Serpentine

Antigorite, Lizardite, or Chrysotile (Mg, Fe)3Si2O5(OH)4

Yellow Apatite Sphere (Polished)

Fluorapatite / Ca5(PO4)3F

Sandstone (with potentially metamorphic or basaltic bands)

Arenite / Lithic Wacke

Muscovite Mica (in Quartz/Feldspar Matrix)

Muscovite - KAl2(AlSi3O10)(OH)2

Smoky Quartz

SiO2 (Silicon Dioxide with aluminum impurities)

Slate

Foliated Metamorphic Rock (primarily composed of Muscovite, Chlorite, and Quartz)

Soapstone

Steatite (composed primarily of Talc: Mg3Si4O10(OH)2)

Quartzite with Hematite

Metamorphosed Quartz Sandstone (SiO2 with Fe2O3 inclusions)

Orthoclase Feldspar

Potassium Aluminum Silicate (KAlSi3O8)

Fired Clay Brick (Anthropic Rock substitute)

Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Chert / Flint Nodules in Limestone

Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)

Jasper

Silicon dioxide (SiO2) with impurities