Clear Quartz Skulls Beautiful crystal skull from clear quartz mined in Brazil and carved by talented artisans. Information: Category: Carbonate, Calcite Chemical Formula: (SiO2) Silicon Dioxide Colour: Colourless Class: Silicate, Quartz Group Group: Hexagonal, rhombohedral terminations Formations: On geode base clusters. Also occurs as tall prismatic crystals, short stubby crystals, aggregates, and as rounded river worn stones Weight: 1.42 kg Lustre: vitreous, translucent to transparent Cleavage: none Varieties: Amethyst, Chalcedony, Citrine, Milky Quartz, Quartz, Smokey Quartz, Coesite, Cristobalite, Keatite, Lechatelierite, Moganite, Stishovite Brief Description: Ordinary yet extraordinary, colorful and clear, Quartz crystals are the most common and abundant in the world, comprising the largest and most diverse family in the mineral kingdom. “From ancient times to the present day, quartz crystals have been a source of Light to mankind. Highly valued by spiritual leaders and healers as well as scientists, the unique attributes of quartz have played a key role in