Igneous, Sedimentary, And Metamorphic

Graphite

Graphite (Native Carbon, C)

Green Aventurine (Green Quartzite)

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Schist

Mica Schist

Metaconglomerate

Protolith: Conglomerate (comprising SiO2, Al2O3, etc.)

Golden Mica Schist

Mica Schist (primarily Muscovite/Biotite with Quartz)

Mica Schist with Iron Staining

Muscovite/Biotite Schist

Mica Schist

Mica Schist (Composition typically contains Muscovite: KAl2(AlSi3O10)(OH)2 or Biotite: K(Mg,Fe)3AlSi3O10(OH)2 along with Quartz and Feldspar)

White Marble

Metamorphosed Limestone (principally CaCO3)

Blue Aventurine

Silicon Dioxide (SiO2) containing Dumortierite or Crocidolite inclusions

River Quartzite / Tumble-Polished Quartz

Quartzite (SiO2)

Green Kyanite

Kyanite (Al2SiO5)

Pyrite on Quartz (Fool's Gold in Quartz)

Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)

Blue Sapphire

Corundum (Al2O3 - Aluminum Oxide with Iron and Titanium impurities)

Chakra Tumbled Stone Set

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

Muscovite Mica (in Quartz/Feldspar Matrix)

Muscovite - KAl2(AlSi3O10)(OH)2

Quartz (Milky/Smoky variety)

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Emerald

Beryl (Be₃Al₂(SiO₃)₆) with Chromium or Vanadium impurities

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Blue Sapphire

Corundum (Al2O3) with traces of Iron and Titanium

Smoky Quartz

SiO2 (Silicon Dioxide with aluminum impurities)

Quartz Pebble (Citrine-colored or Stained Quartz)

Silicon Dioxide (SiO2)

Agate

Silicon Dioxide (SiO2) - Chalcedony variety

Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Sunstone

Aventurine Feldspar (Plagioclase Feldspar with inclusions)

Smoky Quartz

Smoky Quartz (SiO2: Silicon Dioxide)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2) with Iron Oxide impurities

Graphite

Graphite (Native Carbon, C)

Pyrite

Iron Sulfide (FeS2)

Lapis Lazuli (Lazurite crystals on Marble)

Lazurite / (Na,Ca)8[(S,Cl,SO4,OH)2|(AlSiO4)6]

Pebble (likely a type of sandstone or quartzite pebble)

Clastic Sediment (specifically, a rudite-sized clast). If the pebble is composed of a specific rock type, its scientific name would be that rock type (e.g., 'Quartzite pebble', 'Granite pebble', 'Chert pebble'). Given its appearance, it is likely a metamorphic quartzite pebble or a hard sandstone pebble.

Quartz (Float/Abraded)

Quartz (SiO₂)

Pyrite

Iron Pyrite (FeS2)

Fluorite Bracelet (light green beads) and possibly Lavender Jadeite (purple bead)

Fluorite: CaF₂ (Calcium Fluoride); Jadeite: NaAlSi₂O₆ (Sodium Aluminum Silicate)

Schorl (Black Tourmaline)

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

Yellow Chalcedony

Chalcedony (a cryptocrystalline variety of Quartz, SiO₂)

Smoky Quartz

SiO2 (Silicon Dioxide)