Mineral (Specifically, A Variety Of The Mineral Species Pyrope Almandine Garnet)

Carnelian

Carnelian (Silicon Dioxide, SiO2)

Desert Rose

Gypsum (variety Selenite) - CaSO4·2H2O

Leopard Skin Jasper

Silicon Dioxide (SiO2) with various inclusions

Rose Quartz

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

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Tumbled black stone, likely black tourmaline

Schorl tourmaline, NaFe²⁺₃Al₆(BO₃)₃Si₆O₁₈(OH)₄

Milky Quartz

Silicon Dioxide (SiO2)

Amazonite

Microcline (KAlSi3O8, a variety of Potassium Feldspar)

Chert (Iron-stained)

Chert (Microcrystalline Quartz, SiO2)

Labradorite

(Ca, Na)(Al, Si)4O8 (Calcium Sodium Aluminum Silicate)

Red jasper (likely iron-rich chert)

Microcrystalline quartz (SiO₂), colored by hematite/goethite; possibly brecciated jasper

Agate (Grey Agate Slice)

Microcrystalline Quartz (SiO2)

Quartz (specifically Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

Jade (likely Jadeite)

Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz-rich feldspathic rock, likely rose quartz-bearing granite or pegmatite

Granite/pegmatite composed mainly of quartz (SiO₂) and feldspar, with iron-oxide staining

Polished dragon blood jasper

Jasper, a microcrystalline variety of quartz (SiO₂), colored by iron oxides and other inclusions

Red jasper pebble

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Rose Quartz

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

Peach Moonstone

Orthoclase Feldspar (KAlSi3O8)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Jasper (specifically Yellow/Red Jasper)

Silicon Dioxide (SiO2) with iron oxide inclusions

Schist

Mica Schist (predominantly Muscovite/Biotite)

Schist

N/A (a rock type, not a mineral formula)

Rose Quartz

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

Raw ruby (likely corundum)

Corundum, Al₂O₃; red varieties are ruby

Milky Quartz

Silicon Dioxide (SiO2)

Yellow Calcite

Calcium Carbonate (CaCO3)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)

Quartz-rich pegmatite fragment

Granite/pegmatite; chiefly quartz (SiO₂) and feldspar, with possible biotite or tourmaline

Blue Lace Agate

Silicon Dioxide (SiO₂), a variety of Chalcedony

Red Agate

Agate (Cryptocrystalline variety of Quartz, SiO2)

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Mica Schist

Mica Schist (primarily Muscovite and Quartz)

Schist

Mica Schist

Schist

Metamorphic rock (Schist)

Imperial Topaz

Al2SiO4(F,OH)2 (Fluorine-bearing Aluminum Silicate)

Dalmation Stone (often called Dalmatian Jasper)

Antiperthite-rich Microgranite

Amethyst quartz cluster

Quartz, silicon dioxide (SiO₂), purple variety colored mainly by irradiation and iron impurities

Iron-rich jasper (likely brecciated jasper)

Jasper, microcrystalline quartz (SiO₂) colored by hematite/goethite and iron oxides

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)