Metamorphic Or Igneous With Mineral Inclusion

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Clear Quartz

Silicon Dioxide (SiO2)

Foliated Metamorphic Rock (likely Gneiss or Schist)

Gneissic Metamorphic Rock

Amygdaloidal Basalt

Amygdaloidal Basalt containing Zeolite or Quartz (SiO2/Silicates)

Amazonite

K(AlSi3O8)

Emerald

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

Milky Quartz

Silicon Dioxide (SiO2)

Pyrite in Quartzite/Graphite Matrix

Iron Sulfide (FeS2)

Pyrite

Iron Sulfide (FeS2)

Green Calcite

Calcium Carbonate (CaCO3)

Moonstone (Feldspar)

Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)

Pyrite

Iron Sulfide (FeS2)

Schist

Mica Schist (contains muscovite/biotite and quartz)

Amethyst (Chevron or Banded Amethyst)

Silicon Dioxide (SiO2) with trace Iron (Fe)

Mica Schist

Mica Schist (primarily Muscovite and Quartz composition)

Rose Quartz

Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)

Gold in Quartz Matrix

Native Gold (Au) with Quartz (SiO2) and Slate/Shale

Milky Quartz

Silicon Dioxide (SiO2)

Basalt

Extrusive mafic igneous rock

Green Aventurine (Quartzite)

Silicon Dioxide (SiO2) with inclusions of Fuchsite (Mica)

Quartzite with Iron Inclusions

Metamorphic Quartzite (SiO2 with Fe2O3 trace impurities)

Pyrite

Iron Sulfide (FeS2)

Dalmatian Stone

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Collection of Minerals and Ores

Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)

Mahogany Obsidian

Volcanic Glass with Hematite inclusions (SiO2)

Snowflake Obsidian

Spherulitic Obsidian (primarily SiO2)

Granite Cobble

Felsic intrusive igneous rock (composition: SiO₂ with KAlSi₃O₈, NaAlSi₃O₈, and CaAl₂Si₂O₈)

Granite Pebble

Felsic Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)

Granite

Granite (composed primarily of Quartz SiO2 and Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8))

Quartzite with Iron Hydroxide Staining

Quartzite (primarily SiO2) with Limonite/Goethite staining

Milky Quartz (with Iron Oxide staining)

Quartz (Silicon Dioxide - SiO2)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Bornite

Bornite (Cu5FeS4)

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Moss Agate

Chalcedony (Silicon Dioxide) with dendritic inclusions (SiO2)

Snowflake Obsidian

Vitreous volcanic silicate (SiO2 with Cristobalite inclusions)

Granitic Quartz (with Feldspar inclusions)

Quartz (SiO2) with Potassium Feldspar (KAlSi3O8)

Quartz

Silicon Dioxide (SiO2)

Obsidian (specifically Mahogany Obsidian)

Volcanic glass (high silica content, SiO2)

Schist

Mica Schist (primarily Muscovite [KAl2(AlSi3O10)(OH)2] or Biotite)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)