Metamorphic And Mineral

Green Aventurine

Silicon dioxide (SiO2) with inclusions of Fuchsite mica

Gneiss

Gneiss

Chakra Tumbled Stone Set

Various (including Amethyst [SiO2], Sodalite [Na8(Al6Si6O24)Cl2], Green Aventurine [SiO2], Red Jasper [SiO2], etc.)

Granitic Gneiss

Gneiss (High-grade regional metamorphic rock)

Arfvedsonite in Quartz (also labeled as Astrophyllite or Nuummite by collectors)

[Na][Na2][Mg4Fe2+](Si8O22)(OH)2 in SiO2

Schist

Mica Schist

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Quartz / Quartzite Fragment

Silicon Dioxide (SiO2)

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Aquamarine

Beryl (Be3Al2Si6O18)

Yellow Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

Green Tourmaline

Elbaite - Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4

Dearest Jewelry (Multigemstone)

Combination of Diamond (C), Emerald (Be3Al2Si6O18), Amethyst/Rock Crystal (SiO2), Ruby (Al2O3), Emerald (Be3Al2Si6O18), Sapphire (Al2O3), and Topaz (Al2SiO4(F,OH)2)

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO₂)

Quartz (Milky/Clear Quartz)

Silicon Dioxide (SiO2)

Plagioclase Feldspar

NaAlSi3O8 – CaAlSi2O8 (Sodium-Calcium Aluminum Silicates)

Quartz (Milky Quartz/Citrine Type)

Silicon Dioxide (SiO2)

White Agate (resembling Bone Chalcedony)

Cryptocrystalline Quartz (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Biotite (Mica)

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

Optical Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

Pyrite

Iron Sulfide (FeS2)

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Aventurine and Amazonite

Silicon Dioxide (SiO2) with inclusions and Microcline (KAlSi3O8)

Quartz (Milky Variant)

Quartz (Silicon Dioxide, SiO2)

Blue Quartz (specifically Dumortierite Quartz)

SiO2 (Silicon Dioxide) with inclusions of AlAl6BSi3O18 (Dumortierite)

Quartz (Clear Quartz and Rose Quartz variants)

Silicon Dioxide (SiO2)

Quartz (Smoky or Clear variety with inclusions)

Silicon Dioxide (SiO2)

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Black Diamond / Black Sapphire

Carbon (C) or Corundum (Al2O3)

Quartz (Milky or Clear variety)

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Pyrope Garnet

Magnesium aluminum silicate (Mg3Al2Si3O12)

Clear Quartz

Silicon Dioxide (SiO2)

Aventurine (Green)

Aventurine Quartz (SiO2 + Fuchsite inclusions)