Mineral And Glass

Citrine

Silicon dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Red Aventurine (Strawberry Quartz)

Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite

Lavender Quartz (appearing as beads) and Druzy Quartz

Silicon Dioxide (SiO2)

Red Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Red Quartz (Hematoid Quartz)

Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)

Chalcedony (Common Opal/Chert variety)

Silicon Dioxide (SiO2)

Yellow Chalcedony

Silicon Dioxide (SiO2)

Rose Quartz

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

Clear Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide and mineral inclusions

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Milky Quartz with Chlorite/Moss Infusions

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Sandstone

Arenite

Sandstone

Clastic Sedimentary Rock (composed mostly of SiO2)

Sandstone

Arenite (composed primarily of SiO2)

Sandstone

Arenite (composed primarily of Quartz: SiO2)

Amethyst (Faceted)

Silicon Dioxide with Iron impurities (SiO2)

Rose Quartz

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

Blue Quartz (specifically Dumortierite Quartz)

Silicon Dioxide (SiO2) with inclusions of Dumortierite (Al7BO3(SiO4)3O3)

Quartzite with Chlorite/Epidote

Metamorphosed Quartzite (SiO2)

Fluorite (often referred to as Rainbow Fluorite)

Fluorite (Calcium Fluoride, CaF2)

Pink Quartzite

Quartzite (SiO2)

Rose Quartz

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

Optical Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

Bull Quartz (Milky Quartz)

Quartz (Silicon Dioxide - SiO2)

Sea Glass (White/Clear)

Amorphous Silica (Alkali-Lime-Silica Glass), SiO2 + Na2O + CaO

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Ferruginous Quartz (Iron-stained Quartz)

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

Lepidolite

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

Sandstone (Ferruginous)

Arenite with Iron Oxides

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (SiO2 based)

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Quartz (Citrine/Lemon Quartz)

Silicon Dioxide (SiO2)

Amethyst (Rose-tinted/Pale variety)

Silicon Dioxide (SiO2) with iron impurities

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky or Common Quartz)

Silicon Dioxide (SiO2)