Mineral (Occurring As A Rolled Clast)

Rose Quartz

Silicon Dioxide (SiO2) with inclusions of Dumortierite or similar minerals

Orbicular Granite

Orbicular Granidiorite / Plutonic Igneous Rock

Sandstone (likely Arkosic or Lithic Sandstone)

Clastic Sedimentary Rock (SiO2 with assorted minerals)

Tiger's Eye

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

Quartz with Chalcopyrite

Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)

Satin Spar (often marketed as Selenite)

Fibrous Gypsum (CaSO4·2H2O)

Satin Spar (commercially called Selenite)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Rose Quartz

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

Quartz Vein in Host Rock (Breccia/Rhyolite)

Silicon Dioxide (SiO2) with matrix

Rose Quartz

Silicon Dioxide (SiO2)

Orange Calcite

Calcium Carbonate (CaCO3)

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Rose Quartz

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

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Onyx (Black Onyx)

Onyx (Silicon Dioxide, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Carnelian (Red Chalcedony)

Silicon Dioxide (SiO2) with iron oxide impurities

Garnet

Garnet Group (formula varies, e.g., Almasndine: Fe3Al2(SiO4)3)

Clear Quartz

Silicon Dioxide (SiO2)

Blue Topaz

Topaz [Al2SiO4(F,OH)2]

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Green Calcite

Calcium Carbonate (CaCO3)

Black Pearl (Tahitian Pearl)

Aragonite / Calcite (CaCO3) with Conchiolin

Pyrite with Calcite

Iron Disulfide (FeS2) with Calcium Carbonate (CaCO3)

Pyrite (on Quartz/Sulfide matrix)

Iron Sulfide (FeS2)

Rhodonite

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

Specular Hematite (Specularite)

Hematite (Iron(III) oxide) - Fe2O3

Galena

Lead(II) sulfide (PbS)

Mica Schist

Mica Schist (predominantly Muscovite/Biotite)

Arfvedsonite in Quartz (also labeled as Astrophyllite or Nuummite by collectors)

[Na][Na2][Mg4Fe2+](Si8O22)(OH)2 in SiO2

Fluorite

Calcium Fluoride (CaF2)

Epidosite (Epidote-rich rock)

Epidosite (consisting primarily of Epidote: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))

Botryoidal Hematite

Hematite (Iron(III) oxide, Fe2O3)

Quartz with Hematite Inclusions

Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2) with iron oxide inclusions/staining (Limonite/Hematite)

Blue Calcite

Calcite (Calcium Carbonate, CaCO3)

Quartz with Iron Staining

Silicon Dioxide (SiO2) with FeOx inclusions

Quartz (with Iron staining)

Silicon Dioxide (SiO2)

Sodalite

Sodalite [Na8(Al6Si6O24)Cl2]

Iron-stained Quartz

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3/FeO(OH))