Discover the breathtaking beauty of Green Tourmaline in Quartz from the Cruzeiro Mine in Minas Gerais, Brazil! This stunning specimen showcases vibrant green tourmaline crystals nestled in a matrix of clear quartz, making it a true marvel of nature.
Geological Information:
- Location: Cruzeiro Mine, Minas Gerais, Brazil - Type: Tourmaline (specifically, Elbaite or Chrome Tourmaline) in Quartz - Chemical Composition: Tourmaline - Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄; Quartz - SiO₂ - Age: Approximately 2.5 billion years old, dating back to the Precambrian era - Formation: Hydrothermal veins, specifically in the pegmatites of the Cruzeiro Mine - Hardness: Tourmaline - 7-7.5 on the Mohs scale; Quartz - 7 on the Mohs scale - Distinctive Features: Vibrant green color, elongated crystal structure, and high clarity, characteristic of tourmaline; clear quartz matrix - Crystal System: Tourmaline - Trigonal (hexagonal scalenohedral); Quartz - Trigonal (hexagonal scalenohedral)
Why Buy:
- Unique combination of green tourmaline and clear quartz - Exceptional crystal formation and clarity - Directly sourced from the Cruzeiro Mine for authenticity - Perfect addition to any mineral collection or display
