Mineral And Metamorphic Rock

Gemstone Sand (Mineral Assortment)

Mixed Mineral Concentrates (Commonly including Quartz SiO2, Garnet X3Y2(SiO4)3, and Tourmaline (Na,Ca)(Li,Mg,Al)3(Al,Fe,Mn)6(BO3)3(Si6O18)(OH,F)4)

Jade

There are two distinct minerals commonly known as Jade: Jadeite (NaAlSi2O6) and Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2). Based on the appearance, these spheres are likely Nephrite.

Unakite or Epidosite

Epidosite (Mineral composition: Epidote, Feldspar, and Quartz)

Milky Quartz (Common Quartz)

Quartz (Silicon Dioxide, SiO2)

Magnetite

Magnetite (Fe3O4)

Garnet

Almandine formula: Fe3Al2(SiO4)3

Clear Quartz

Silicon Dioxide (SiO2)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Pink Feldspar

Orthoclase Feldspar (KAlSi3O8)

Gneiss

Gneiss (High-grade metamorphic rock)

Quartzite (specifically Milky Quartz variety)

Quartz (SiO2)

Biotite Schist with Garnet

Garnet-Biotite Schist

Aventurine

Quartzite with inclusions (SiO2 containing Fuchsite chrome mica)

Quartz Pebble

Silicon Dioxide (SiO2)

Schist

Mica Schist

Gneiss

Gneiss (High-grade regional metamorphic rock)

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Quartzite with Chlorite/Epidote

Metamorphosed Quartzite (SiO2)

Schist

Mica Schist

Mica Schist

Mica Schist (primarily Muscovite and Biotite composition)

Tiger's Eye (Brown/Dark variety)

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Lapis Lazuli

Lapis Lazuli (A complex rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Lapis Lazuli

Lapis Lazuli (Mineral composition: Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2, Calcite, and Pyrite)

Rough Emerald in Matrix

Beryl (Be3Al2Si6O18) with trace Chromium/Vanadium

Banded Gneiss (with possible weathered sulfide or iron staining)

Gneiss, potentially with iron oxide/hydroxide staining (e.g., limonite) or weathered sulfides

Blue Kyanite

Kyanite (Al2SiO5)

Quartz (Milky/Crystal Variety)

Silicon Dioxide (SiO2)

Banded Gneiss

Gneiss

Blue Kyanite

Kyanite (Al2SiO5)

Quartzite River Pebble

Quartzite (primarily Silicon Dioxide, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Lapis Lazuli

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

Lapis Lazuli

Lapis Lazuli (Complex aggregate mainly of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Hypersthene (or Enstatite/Ferrosilite)

Orthopyroxene series (Mg,Fe)SiO3 - specifically, historically hypersthene (intermediate member) now referred to as Enstatite (Mg-rich) or Ferrosilite (Fe-rich)

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Moonstone (Feldspar)

Orthoclase feldspar, (K,Na)AlSi3O8

Smoky Quartz

Silicon Dioxide (SiO2)

Biotite Schist

Biotite-rich Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)

Marble

Recrystallized Carbonate Rock (CaCO3)