Mineral Variant

Quartz with Mica inclusion

Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions

Mica Schist

Foliated Metamorphic Rock (rich in Muscovite or Biotite)

Quartzite

Quartzite (primarily SiO2)

Granite

Plutonic felsic rock (Quartz, Feldspar, Mica)

Soapstone

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

Green Aventurine (Quartzite)

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

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Granite

Granite (Felsic intrusive igneous rock)

Basalt

Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)

Mica Schist

Mica Schist (Schistose metamorphic rock rich in Muscovite/Biotite)

Magnetite / Iron Ore

Magnetite (Fe3O4)

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Black Star Diopside

Diopside (CaMgSi2O6) with Magnetite inclusions

Rough Diamond

Diamond (pure Carbon, C)

Druzy Quartz Geode (Vug)

Silicon Dioxide (SiO2)

Amber

Succinite (Resin C10H16O)

Quartz Pebble (Water-worn Quartzite)

Silicon Dioxide (SiO2)

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Yellow Quartz Pebble

Silicon Dioxide (SiO2)

Limonite (Iron Ore)

Limonite (an amorphous mixture of hydrated iron oxides, primarily FeO(OH)·nH2O)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Common or Milky)

Silicon Dioxide (SiO2)

Yellow Jasper with Dendritic Inclusions

Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions

Bauxite

Bauxite (mixture of Hydrous Aluminum Oxides)

Barite (Desert Rose or Cockscomb variety)

Barium Sulfate (BaSO4)

Obsidian

Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Limonite (Ironstone Concretion)

Limonite (Hydrous ferric oxide mixture, FeO(OH)·nH2O)

Tiger's Eye

Pseudomorph of quartz after crocidolite (SiO2 with iron inclusions)

Limonite (Iron Ore)

FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)

Quartz (Tumbled/Polished Pebble)

Silicon Dioxide (SiO2)

Magnetite (likely in Hematite or Ironstone)

Magnetite (Fe3O4)

Lapis Lazuli

Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Green Fluorite

Calcium Fluoride (CaF2)

Bauxite

Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))

Diamond (or Cubic Zirconia simulant)

Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ

Milky Quartz

Silicon Dioxide (SiO2)