Mineral (Found In Igneous And Metamorphic Rocks)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz

Quartz (SiO₂)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Quartz Sand Grain

Silicon Dioxide (SiO2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Banded Gneiss

Gneiss (Metamorphic high-grade rock)

White Quartz

Quartz (SiO2)

Banded Gneiss (Variety of Gneiss)

Gneiss (specifically, a variety exhibiting prominent banding; mineral composition can vary, but often contains quartz, feldspar, mica, and amphibole)

White Quartz (Milky Quartz)

Quartz (Silicon Dioxide - SiO2)

Yellow Quartz (Citrine/Yellow Jasper mix)

Silicon Dioxide (SiO2)

Gneiss

Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Mica/Amphibole)

Jade

There are two distinct minerals classified as Jade: Jadeite (Na(Al,Fe3+)Si2O6) and Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2). Based on the image showing translucent, somewhat fibrous material, it is likely Nephrite.

Banded Gneiss

Gneiss (pronounced 'nice')

Granitic Pegmatite

Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)

Calcite

Calcite (Calcium Carbonate, CaCO3)

Quartz

Silicon Dioxide (SiO2)

Banded Metamorphic Rock (likely Quartzite or Serpentinite/Soapstone)

Metamorphic Rock (possibly a banded Quartzite or a foliated Serpentinite/Talc Schist based on appearance, general term for such a rock is 'Banded Metamorphic Rock' or 'Gneiss' if pronounced banding of different minerals)

Biotite (Black Mica)

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

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with inclusions of crocidolite or dumortierite

Quartzite River Rock

Quartzite (primarily SiO2)

Banded Gneiss

Gneiss (pronounced "nice")

Banded Gneiss

Gneiss (quartz-feldspar-biotite metamorphic rock)

Quartz

Silicon Dioxide (SiO2)

Peacock Ore

Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)

Greenstone (Epidosite or Altered Basalt)

Epidosite (Ca2(Al, Fe)3(SiO4)3(OH))

Clear Quartz (beads in a bracelet)

Quartz (SiO2)

Quartz (Milky/Crystalline variety)

Silicon Dioxide (SiO2)

Water and Silt (Sedimentary Environment)

Suspended Sediment / H2O (dihydrogen monoxide)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine)

Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)

Rhodonite

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

Quartz / Quartzite

Silicon Dioxide (SiO2)

Nephrite Jade

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

Citrine

Silicon Dioxide (SiO2)

Garnet Schist

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

Banded Gneiss (River Cobble)

Gneiss (a high-grade metamorphic rock)

Peridot (Olivine)

Olivine ((Mg,Fe)2SiO4)

Garnet (likely Almandine or Pyrope)

Garnet Group (e.g., Almandine: Fe3Al2(SiO4)3; Pyrope: Mg3Al2(SiO4)3)

Banded Rock (likely Quartz-rich)

Uncertain, likely a Metamorphic Rock (e.g., Gneiss or Schist) with prominent Quartz and other minerals

Rough Citrine Quartz

Citrine (Silicon Dioxide, SiO2 with iron impurities)

Unakite (bottom) and Sodalite (top)

Epidotized Granite (Unakite) and Sodium Aluminum Silicate Chloride (Sodalite)

Kyanite

Kyanite (Al2SiO5)