Mineral, Variety Of Chalcedony (Microcrystalline Quartz)

Rose Quartz

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

Rose Quartz

Rose Quartz (SiO2 with traces of Titanium, Iron, or Manganese)

Rose Quartz

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

Red Jasper (Opaque Chalcedony)

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Moss Agate

Chalcedony (Silicon Dioxide, SiO2) with dendritic inclusions

Carnelian

Carnelian (SiO2 - Chalcedony colored by Iron Oxide)

Chert (Nodule / Geode fragment)

Microcrystalline Quartz (SiO2)

Rose Quartz

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

Rose Quartz

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

Rose Quartz

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

Rose Quartz

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

Rose Quartz

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

Ferruginous Quartz (Iron-stained Quartz)

Quartz with Iron Oxide inclusions (SiO2 with Fe2O3)

Chert (Common Opal/Jasper variety)

Silicon Dioxide (SiO2)

Chert (Mudstone)

Microcrystalline Quartz (SiO2)

Quartz (specifically Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

Banded Calcite (often sold as 'Travertine' or 'Mexican Onyx')

Calcium Carbonate (CaCO3)

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Jasper (Mookaite style)

Jasper (Silica-rich Microcrystalline Quartz, SiO2)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Rough Emerald/Green Beryl

Beryl (Be3Al2(SiO3)6) with trace amounts of Chromium or Vanadium

Amethyst (Druze)

Silicon Dioxide (SiO2) with iron impurities

Agate (specifically Botswana or Lake Superior style Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Chert (containing Iron Oxide)

Microcrystalline Quartz (SiO2)

Amethyst (Chevron or Banded Amethyst)

Silicon Dioxide (SiO2) with Fe3+ impurities

Quartz (Chatoyant or Milky variety)

Silicon Dioxide (SiO2)

Specular Hematite with Quartz

Ferric oxide (Fe2O3) and Silicon dioxide (SiO2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz (Pebble)

Quartz (SiO₂)

Rose Quartz

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

Jasper-Agate Breccia

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

Dyed Blue Agate

Silicon Dioxide (SiO2)

Citrine

Silicon Dioxide (SiO2) - Macrocrystalline Quartz variety

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Rose Quartz

Silicon dioxide with traces of titanium, iron, or manganese (SiO2)

Petrified Wood

Silicified Wood (primarily Chalcedony/Quartz, SiO2)

Carnelian (Orange Chalcedony)

Silicon Dioxide (SiO2)

Quartz Geode (likely within Limestone or Dolomite matrix)

Quartz (SiO₂)

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions