Metamorphic And Mineral

Labradorite (tumbled)

Labradorite (a plagioclase feldspar mineral between anorthite and albite; chemical formula: (Ca,Na)(Si,Al)4O8)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Hematite (beads)

Hematite (Fe₂O₃)

Soapstone (Talc-Schist)

Steatite (composed primarily of Talc: Mg3Si4O10(OH)2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Mica Schist (with Muscovite)

Muscovite/Quartz Schist (KAl2(AlSi3O10)(OH)2)

Serpentine

Serpentinite (rock), Serpentine group minerals (e.g., Antigorite, Lizardite, Chrysotile)

Orthoclase Feldspar (or K-Feldspar)

Orthoclase (KAlSi3O8)

Quartz (Massive Quartz or Quartzite)

Silicon Dioxide (SiO2)

Smoky Quartz

Smoky Quartz (SiO ₂)

Aventurine (Green Aventurine)

Quartz with Fuchsite Inclusions (SiO2)

Pyrite

Pyrite (FeS2)

Tiger's Eye

Tiger's Eye (a variety of Chalcedony, which is cryptocrystalline quartz). Chemical Formula: SiO2 with inclusions of crocidolite fibers.

Amethyst

SiO2 (Silicon Dioxide)

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

River Rock (likely Quartzite or Chert)

Quartzite (primarily SiO2)

Moonstone

Adularia or Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8), specifically with lamellar exsolution of albite and orthoclase.

Sunstone

Plagioclase Feldspar (specifically Oligoclase variety containing hematite or goethite inclusions)", composition: (Ca,Na)(Al,Si)2Si2O8

Kyanite in Quartz

Kyanite (Al2SiO5) with Quartz (SiO2) matrix

Quartzite

Quartzite (primarily SiO2)

Muscovite Schist with Quartz

KAl2(AlSi3O10)(OH)2 in Schistose matrix

Quartz with Mica (Micaceous Quartz)

Silicon Dioxide (SiO2) with Phyllosilicates

Lapis Lazuli

Complex mixture of minerals, primarily Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Granodiorite (Gneissic Pebble)

Granodiorite displaying minor foliation

Phyllite

Phyllite (Foliated metamorphic rock)

Serpentine, likely a variety of Chrysoprase (green chalcedony) or a similar translucent green mineral.

Serpentine Group Minerals (e.g., Antigorite, Lizardite) or Chalcedony (SiO2) with nickel impurities for Chrysoprase green.

Amethyst

Amethyst is a variety of Quartz (SiO₂)

Quartz River Pebbles

Silicon Dioxide (SiO2)

Muscovite Schist with Quartz

Mica Schist (KAl2(AlSi3O10)(OH)2)

Garnet (likely Almandine, Pyrope, or a blend)

Garnet group minerals: X3Y2(SiO4)3, where X and Y represent various metal ions (e.g., Almandine: Fe3Al2(SiO4)3, Pyrope: Mg3Al2(SiO4)3)

Muscovite Mica

Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))

Aquamarine

Aquamarine (Beryl variety); Be3Al2Si6O18

Amazonite

KAlSi3O8 (Potassium Aluminum Silicate) - a variety of Microcline Feldspar

Green Aventurine

Aventurine (a variety of Quartz, SiO2)

Quartz (likely milky quartz or a stained variety)

Silicon Dioxide (SiO₂)

Lapis Lazuli

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

Epidote in Quartz (Epidosite)

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Quartz

Quartz (Silicon Dioxide - SiO2)

Jasper (Iron-rich Chalcedony)

Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)

Dyed Quartzite

Metamorphosed Quartz (SiO2) with synthetic pigment