Metamorphic Or Igneous With Mineral Inclusion

Muscovite Mica (Granitic Pegmatite)

Muscovite - KAl2(AlSi3O10)(OH)2

Almandine Garnet

Almandine [Fe3Al2(SiO4)3]

Lapis Lazuli

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

Red Quartzite (Ferruginous Quartz)

Quartzite (SiO2 with Fe2O3 inclusions)

Goldstone (with Tiger's Eye and Quartz)

Aventurine glass (Synthetic SiO2 with Cu inclusions)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of iron oxide)

Peacock Ore (Chalcopyrite/Bornite)

Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)

Quartz (Water-worn Pebble)

Silicon Dioxide (SiO2)

Folded Schist / Gneiss (Metamorphic Rock)

Regional Metaphoric Folded Outcrop (predominantly Schist/Gneiss)

Quartz Pebble

Silicon Dioxide (SiO2)

Gneiss

Gneiss

Yellow Apatite Sphere (Polished)

Fluorapatite / Ca5(PO4)3F

Graphite-veined Quartzite

Meta-sedimentary Quartzite with Carbonaceous/Graphitic Inclusions (SiO2 + C)

Ruby

Corundum (Al2O3 with Chromium impurities)

Milky Quartz (Tumbled)

Quartz (Silicon Dioxide, SiO2)

Greenstone (Amygdaloidal Basalt)

Amygdaloidal Basalt (frequently composed of Plagioclase Feldspar, Pyroxene, and Olivine with Chlorite inclusions)

Metagabbro / Epidote Gneiss

Epidote bearing Hornblende Gneiss

Clear Quartz

Silicon Dioxide (SiO2)

Moonstone

Adularia (Potassium Aluminum Silicate, KAlSi3O8)

Blue Calcite

Calcium Carbonate (CaCO3)

Hematite (Tumbled)

Iron(III) oxide (Fe2O3)

Banded Chalcedony (Agate)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Chert (Common Opal/Agate inclusion)

Microcrystalline Quartz (SiO2)

Quartz with Iron Stains

Quartz (SiO2) with iron oxide/hydroxide staining

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)

Mahogany Obsidian

Obsidian (volcanic glass with hematite/magnetite inclusions)

Obsidian and Phantom Quartz

Volcanic Glass (SiO2 + MgO + Fe3O4) and Crystalline Quartz (SiO2)

Yellow Quartzite (River Pebble)

Quartzite (primarily SiO2)

Serpentine (Lizardite)

Serpentine subgroup, Mg3Si2O5(OH)4

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2, with varying amounts of Calcite, Pyrite, and Sodalite).

Black Tourmaline (Schorl)

Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)

Moonstone (Feldspar variety)

Orthoclase Feldspar (KAlSi3O8)

Yellow Jasper

Silicon Dioxide (SiO2) with high iron inclusion

Gneiss

Gneiss (High-grade Metamorphic Rock)

Gneiss

Gneiss (high-grade metamorphic rock typically composed of quartz, feldspar, and mica)

Diorite (River Cobble)

Intermediate plutonic igneous rock

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Moonstone (specifically Cat's Eye or Gray Moonstone)

Orthoclase (Potassium Aluminum Silicate) with the formula (K,Na)AlSi3O8

Clear Quartz

Silicon Dioxide (SiO2)

Moonstone

Orthoclase (Potassium Feldspar) - (K,Na)AlSi3O8

Quartz (Smoky Quartz variant)

Silicon Dioxide (SiO2)