3.43 ct. Astrophyllite Cabochon

3.43 ct. Astrophyllite Cabochon This 3.43-carat astrophyllite cabochon, measuring 10.4 x 8.4 x 5 mm, is cut from rare old-stock material sourced from Russia. It features the signature bronze-to-copper metallic flashes of astrophyllite, an iron titanium silicate known for its radiating, blade-like inclusions that shimmer and shine through a dark matrix. Astrophyllite is not commonly available in fine cabochon form, particularly from historical sources and old-stock material. This piece showcases a dense, high-contrast matrix punctuated by bright, reflective blades, ideal for gemstone collectors, jewelers and jewelry artisans, and energy practitioners who work with specimens that are vibrationally potent. This stone vibrates within the black band of the universal vibrational / electromagnetic spectrum. Black-band frequency is associated with absorption, stabilization, and the containment of energy. Black-band stones are used in vibrational work for their capacity to absorb energetic toxi