Mineral (Found In Igneous And Metamorphic Rocks)

Rhodonite

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

Gneiss

Gneissic Metamorphic Rock

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Quartz (River Pebble)

Quartz (SiO₂ - Silicon Dioxide)

Amethyst

Amethyst (variety of Quartz, SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Smoky Quartz

Smoky Quartz (SiO ₂)

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Lapis Lazuli

Lapis Lazuli (Rock containing Lazurite, Calcite, and Pyrite)

Gneiss

Gneiss (High-grade Metamorphic Rock)

Quartz on Chlorite Schist

Chlorite Schist (Mg,Fe)3(Si,Al)4O10(OH)2 with Quartz (SiO2)

Nephrite Jade

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

Smoky Quartz (Vein Quartz)

Quartz (Silicon Dioxide, SiO2)

Greenstone

Greenschist (primarily composed of chlorite, actinolite, and epidote)

Quartz (possibly milky quartz or quartz with inclusions)

SiO2 (Silicon Dioxide)

Quartz (likely Milky Quartz)

Quartz (SiO₂ - Silicon Dioxide)

Gneiss

Gneiss (Metamorphic rock of variable composition, typically SiO2 rich)

Pyrite

Pyrite (FeS2)

Greenstone (metamorphosed basalt)

Greenschist / Meta-basalt

Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Labradorite

Labradorite (a variety of Plagioclase Feldspar), Na(AlSi3O8) to Ca(Al2Si2O8)

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Granitic Gneiss

Gneiss (high-grade metamorphic rock primarily of quartz, feldspar, and mica)

Granite Gneiss

High-grade regional metamorphic rock (Quartz-Feldspar Gneiss)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Pink Sapphire

Corundum (Al2O3 with trace Chromium and Iron)

Nephrite Jade

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

Seraphinite (Clinochlore)

Clinochlore (Mg,Fe2+)5Al(Si3Al)O10(OH)8

Quartz

Quartz (SiO₂)

Smoky Quartz

Silicon Dioxide (SiO2)

Greenschist

Greenschist (Chlorite-actinolite schist)

Gneiss (specifically Biotite Gneiss)

Gneiss (high-grade metamorphic rock primarily composed of Silicates)

Rhodonite

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

Blue Sapphire (Ceylon)

Corundum (Al2O3) with traces of Iron and Titanium

Quartz Crystal

Quartz (SiO₂)

Staurolite

Staurolite (Fe2+2Al9Si4O23(OH))

Blue Quartz

Quartz (SiO2) with inclusions

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Garnet (Almandine)

Almandine, Fe3Al2Si3O12

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Rutilated Prehnite

Prehnite - Ca2Al(AlSi3O10)(OH)2 with Epidote/Tourmaline inclusions