Metamorphic Or Igneous

Emerald in Matrix

Beryllium Aluminum Silicate (Be3Al2Si6O18) with Chromium/Vanadium impurities

Rutilated Quartz

Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions

Moonstone

Orthoclase (Potassium Aluminum Silicate), Formula: (K,Na)AlSi3O8

Serpentine

Antigorite / Lizardite / Chrysotile [(Mg,Fe)3Si2O5(OH)4]

Rough Quartz (Grey-Green)

Silicon Dioxide (SiO2)

Orange Calcite

Calcium Carbonate (CaCO3)

Banded Agate

Cryptocrystalline Silica (SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Orange Calcite

Calcium Carbonate (CaCO3)

Peach Moonstone (Feldspar variety)

Orthoclase Feldspar (KAlSi3O8) with inclusions

Milky Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Yellow Aventurine

Quartz containing Muscovite or Mica inclusions (SiO2)

Schorl (Black Tourmaline)

Sodium Iron Aluminum Borosilicate Hydroxide - NaFe2+3Al6Si6O18(BO3)3(OH)3OH

Dyed Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Dumortierite Quartz (Blue Quartz)

Al7(BO3)(SiO4)3O3 / Quarz with Dumortierite inclusions

Amazonite

K(AlSi3O8) - Microcline variant

New Jade (Serpentine)

Antigorite / Serpentine Group (Mg3Si2O5(OH)4)

Jadeite

Jadeite (NaAlSi2O6)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Green Calcite

Calcium Carbonate (CaCO3)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Chakra Stone Bracelet (mixed gemstones)

Multi-mineral/Gemstone assembly (primarily Quartz variety beads)

Pyrite in Shale

Iron Sulfide (FeS2)

Banded Agate

Agate (Silicon Dioxide / SiO2)

Pyrite

Iron Sulfide (FeS2)

Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)

Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Muscovite Mica

Muscovite - KAl2(AlSi3O10)(OH)2

Muscovite Mica (with Quartz matrix)

Muscovite - KAl2(AlSi3O10)(OH)2

Lapis Lazuli

Lazurite-dominated metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)

Pearl and Garnet Glass

Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass

Green Aventurine

SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)

Orange Calcite

Calcium Carbonate (CaCO3)

Agate (Polished Nodule)

Agate (Silicon Dioxide, SiO2)

Serpentine (Serpentinite)

Serpentinite (complex silicate group including lizardite, chrysotile, and antigorite)

Raw Green Aventurine

Aventurine Quartz (SiO2 + Fuchsite)

Prehnite

Prehnite - Ca2Al(AlSi3O10)(OH)2

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Yellow Jade (Nephrite or Jadeite)

Nephrite: Ca2(Mg, Fe)5Si8O22(OH)2; Jadeite: NaAlSi2O6

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)

Serpentinite

Serpentinite (composed primarily of minerals in the Serpentine group)

Grey Banded Agate

Chalcedony (Silicon Dioxide, SiO2)