Clear Quartz Freeform

Clear Quartz - Rock Crystal Clear Quartz, also known as Rock Crystal, is the colorless and transparent variety of quartz (SiO₂). It is one of the most abundant minerals on Earth and has been valued throughout human history for its clarity and beauty. Why It's Clear: The clarity and lack of color in clear quartz result from the absence of chemical impurities within the crystal structure. When quartz forms without trace elements like iron, titanium, or other minerals, it remains colorless and transparent. Physical Properties: Chemical Formula: SiO₂ (silicon dioxide) Crystal System: Trigonal Hardness: 7 on the Mohs scale (good scratch resistance) Luster: Vitreous (glass-like) Specific Gravity: Approximately 2.65 Transparency: Transparent Piezoelectric Properties: Quartz has piezoelectric properties, meaning it generates an electric charge when mechanical pressure is applied. This property makes quartz essential in modern technology—it is used in quartz watches, electronic oscillators, radio transmitters, and various precision instruments. Formation & Occurrence: Clear quartz forms through both magmatic and hydrothermal processes. It crystallizes from silica-rich melts as they cool, or precipitates from hot, mineral-rich water solutions. Major sources include Brazil, Madagascar, the United States, and the Alps (where the term "crystal" originated from the Greek "krystallos," meaning ice). Historical Use: Ancient civilizations believed rock crystal was permanently frozen ice. It has been used for decorative objects, jewelry, and carved vessels for thousands of years. Images shown are examples only—each crystal is unique and your stone will vary in clarity and natural inclusions. Shipping will be calculated at checkout. Sources: Wikipedia, Britannica