Gemstone

Quartz Crystal Point

Silicon Dioxide (SiO2)

White Quartz

Silicon Dioxide (SiO2)

Blue Apatite

Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)

Turquoise color-bead and Hematite necklace

Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Hematite (Fe2O3)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

Quartz / Clear Quartz

Silicon Dioxide (SiO2)

Labradorite

Labradorite (Plagioclase Feldspar Series: (Ca,Na)(Al,Si)4O8)

Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz Cluster

Quartz (Silicon Dioxide - SiO2)

Quartz (specifically Milky/Yellow Quartz)

Silicon Dioxide (SiO2)

Almandine Garnet in Matrix

Almandine, Fe3Al2(SiO4)3

Jasper

Jasper (Silicon Dioxide, SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Graphic Granite

Graphic Pegmatite

Quartz

Silicon Dioxide (SiO2)

Jasper

Jasper / Silicon Dioxide (SiO₂)

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Lemon Quartz (Orizaba/Citrinated Quartz)

Silicon Dioxide (SiO2) with iron impurities/treatment

Chalcedony

Chalcedony (SiO2)

Granitic Pegmatite with Tourmaline and Sphalerite

Pegmatite containing Schorl (NaFe3Al6(BO3)3Si6O18(OH)4) and Sphalerite ((Zn,Fe)S)

Quartz (Rose or Clear variety)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (Milky/Common Quartz)

Silicon Dioxide (SiO2)

Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

Obsidian

Obsidian (Volcanic Glass, SiO2 dominated)

Emerald / Green Beryl

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Milky Quartz (with Iron Oxide staining)

Silicon Dioxide (SiO2)

Jasper

Silicon dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

Quartz Geode

Silicon Dioxide (SiO2) - Crystalline Quartz

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (Milky or Smoky variety)

Silicon Dioxide (SiO2)

Pegmatite (Granitic) with Tourmaline

Granitic Pegmatite (containing Schorl and Quartz)

Quartz (Crystal Point/Fragment)

Silicon Dioxide (SiO2)