Mineral (Silicate Variety)

Specular Hematite

Hematite (Iron Oxide, Fe2O3)

Soapstone

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

Rose Quartz

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

Yellow Quartz Pebble

Quartz (Silicon Dioxide - SiO2)

Rose Quartz

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

Rose Quartz

Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron

Smoky Quartz

Silicon Dioxide (SiO2)

Red Jasper

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

Calcite

Calcite (Calcium Carbonate, CaCO3)

Moonstone (Feldspar variety)

Orthoclase Feldspar (KAlSi3O8)

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)

Limonite / Ironstone Nodule

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

Pink Granite

Granite (Phaneritic Felsic Igneous Rock)

Chert (Iron-stained)

Chert (SiO2)

Ruby in Fuchsite

Corundum (Al2O3) in Fuchsite (K(Al,Cr)3Si3O10(OH)2)

Beryl (Variety: Aquamarine)

Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)

Carnelian (a variety of Chalcedony)

Silicon Dioxide (SiO2) with iron oxide impurities

Garnet (Almandine variety)

Almandine, Fe3Al2(SiO4)3

Turquoise (Green variety)

Hydrous phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O

Quartz (Citrine variety)

Silicon Dioxide (SiO2)

Chalcedony (Quartz variety)

Silicon Dioxide (SiO2)

Magnetite (Lodestone variety)

Magnetite (Iron(II,III) oxide, Fe3O4)

Garnet (Almandine variety)

Almandine Garnet (Fe3Al2(SiO4)3)

Amethyst (variety of Quartz)

SiO2 (Silicon Dioxide) with trace iron impurities

Sunstone (variety of Feldspar)

Oligoclase Sunstone, Plagioclase Feldspar (Na,Ca)Al(Si,Al)Si2O8

Carnelian (a variety of Chalcedony)

Cryptocrystalline Quartz (SiO2) with iron oxide inclusions

Amethyst (Quartz variety)

Amethyst [Silicon Dioxide (SiO2)]

Amethyst (Variety of Quartz)

Silicon Dioxide (SiO2) with iron impurities

Quartz (Milky/Common)

Quartz (Silicon Dioxide, SiO2)

Quartz (likely Jasper or Chert variety)

Quartz (SiO₂)

Green Onyx (Banded Calcite)

Travertine (CaCO3 - Calcium Carbonate)

Dalmation Stone (often called Dalmatian Jasper)

Antiperthite-rich Microgranite

Green Jasper

Silicon dioxide (SiO2) with impurities

Rose Quartz

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

Quartz

Silicon Dioxide (SiO2)

Satin Spar (often marketed as Selenite)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Sandstone Concretion

Arenaceous concretion (primarily SiO2 with Fe2O3 staining)

Carnelian

Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO₂)

Ocean Jasper

Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)

Pegmatite (likely Granitic Pegmatite)

Pegmatite (a coarse-grained igneous rock, often with granitic composition)

Greenstone (Epidote/Chlorite Rich Rock)

Metabasalt (often contains Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))

Rhodochrosite (Beads) and Citrine (Pendant)

Rhodochrosite (MnCO3) and Quartz variety Citrine (SiO2)