Mineralological Variety

Chert Pebble (Jasper variety)

Silicon Dioxide (SiO2)

Ocean Jasper

Orbicular Jasper (variety of Chalcedony)

Milky Quartz

Silicon Dioxide (SiO2)

Cloudy Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Rainbow Moonstone

White Labradorite (Feldspar variety)

Jasper and Chalcedony Composite

Silicon Dioxide (SiO2) microcrystalline quartz

Tumbled Citrine

Silicon Dioxide (Quartz variety)

Jasper and Agate (Polychrome Jasper / Mookaite variety)

Silicon dioxide (SiO2) microcrystalline quartz

Chert / Flint Nodule

Microcrystalline quartz (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Jade (likely Jadeite or Nephrite)

Jadeite (NaAlSi2O6) or Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)

Jasper

Microcrystalline Quartz (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Rose Quartz

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

Agate

Silicon Dioxide (SiO2)

Orbicular Jasper (Ocean Jasper)

Silicon Dioxide (SiO2) with various inclusions

Granite

Phaneritic Igneous Rock (Granite)

Quartz

Silicon Dioxide (SiO2)

Quartz Mineral

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

White Quartz

Silicon Dioxide (SiO2)

White Quartz

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Pyrite

Iron Sulfide (FeS2)

Carnelian Agate

Silicon Dioxide (SiO2) with iron oxide inclusions

Pyrite

Iron Disulfide (FeS2)

Citrine Quartz carving

Silicon Dioxide (SiO2)

Blue Chalcedony

Silicon Dioxide (SiO2)

Quartz

Silicon dioxide (SiO2)

Satin Spar (Gypsum)

Hydrous Calcium Sulfate (CaSO4·2H2O)

Pyrite

Iron Sulfide (FeS2)

Quartz

Silicon Dioxide (SiO2)

Pyrite in Matrix

Iron Sulfide (FeS2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Quartz (Milky Quartz / Quartz Crystal)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)