Mixed (Igneous, Sedimentary, Metamorphic, And Minerals)

Amygdaloidal Basalt

Amygdaloidal Mafic Volcanic Rock

Concrete

Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)

Pink Granite (Gneissic Granite)

Granite (composed primarily of Quartz, K-Feldspar, and Plagioclase)

Unakite

Epidotized Granite

Peacock Ore

Bornite (Cu5FeS4)

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Granitic Quartz or Pegmatite

Quartz with Orthoclase Feldspar (SiO2 + KAlSi3O8)

Fuchsite Schist

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Schist

Pink Granite

Phaneritic Plutonic Felsic Rock (K-feldspar rich)

Milky Quartz

Silicon Dioxide (SiO2)

Blue Calcite (commonly sold as Caribbean Calcite)

Calcium Carbonate (CaCO3)

Magnetite

Iron(II,III) oxide (Fe3O4)

Granodiorite

Granodiorite (phaneritic intrusive igneous rock)

Sodalite

Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)

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)

Unakite

Epidotized Granite

River Siltstone / Mudstone Pebble

Siltstone (composed of mixed silicate and carbonate minerals)

Epidote (Unakite variety)

Epidosite (Metasomatic rock containing Ca2(Al,Fe)3(SiO4)3(OH))

Black Tourmaline

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

Dalmatian Stone (commonly called Dalmatian Jasper)

Peralkaline Rock (mixed Feldspar, Quartz, and Arfvedsonite)

Conglomerate

Conglomerate (clastic sedimentary rock)

Granite (Pink/Potassium Feldspar Granite)

Felsic Plutonic Rock (Potassium Feldspar, Quartz, Mica, and Amphibole)

Magnetite (Small Granule)

Magnetite (Fe3O4)

Gneiss

Gneiss

Gneiss

Gneiss (Metamorphic rock)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Asphalt Concrete

Bituminous conglomerate

Magnetite / Iron Ore

Magnetite (Fe3O4)

Mixed Quartz and River Pebbles (Stone Collection)

Mixed assortment containing mainly Silicon Dioxide (SiO2)

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Conglomerate

Conglomerate (Sedimentary Clastic Rock)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Azurite-Malachite with Limonite

Cu3(CO3)2(OH)2 (Azurite) / Cu2CO3(OH)2 (Malachite)

Granite Gneiss

Gneiss (High-grade Metamorphic Rock)

Mixed collection of Quartz varieties, Chalcedony, and metamorphic pebbles

Mixed gemstones (primarily Silicon Dioxide - SiO2)

Blue Apatite

Fluoroapatite (Ca5(PO4)3F)

Limonite (Ironstone Concretion)

Limonite (Hydrous Ferric Oxides mixed with Goethite)

Quartz (Pale Rose or Milky Variety)

Silicon Dioxide (SiO2)

Malachite with Chrysocolla

Copper carbonate hydroxide (Cu2CO3(OH)2) and Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Pink Granite

Phaneritic Plutonic Felsic Igneous Rock (Granite)