Amethyst Scepter with Deep Violet Tip and Translucent...

atural Crystal with Intense Color Zoning — This lot features an imposing single Amethyst crystal, a macrocrystalline quartz variety, from the rich Brazilite deposits of Brazil. With a remarkable length of over 19 cm, this specimen stands out for its slender shape and, above all, for a spectacular color zoning that tells its geological story. Its aesthetics combine the geometric perfection of the crystal termination with the raw mass of the unpolished body, making it a piece of great visual impact and collecting interest. Direct observation reveals an apex of extraordinary quality. The pyramidal termination is perfectly formed, with smooth, glossy faces that show glassy transparency. It is here that the color concentrates with maximum intensity, a deep and saturated purple, almost regal, that catches the light, revealing internal inclusions and fine veils, testifying to its growth process. This 'ghost' tip, darker than the rest of the crystal, is one of the most sought-after features by connoisseurs. Descending along the crystal prism, one witnesses a magnificent color transition. The intense violet gradually fades into a more delicate lilac, then shifts toward an almost colorless quartz and finally to milky at the base. This color variation is not a defect, but the precious record of the chemical-physical changes that occurred in the growing environment. The surface of the crystal body is rougher than the tip, displaying natural textures and the horizontal growth striations typical of quartz, giving the piece an authentic and powerful character. Geologically, amethyst crystals of this size form within veins or geodes in volcanic rocks, through a slow hydrothermal process. Hot silica- and iron-rich fluids penetrated the rock cavities and, cooling over millions of years, deposited successive layers of quartz. Variations in iron concentration and exposure to natural radiation determined the intensity of the violet color, creating the zoning we admire today. The tip, often the last part to form, benefited from the most stable and pure conditions, developing its superior gem quality. As a collectible object, this specimen represents a classic of global mineralogy. Its size, scepter-like shape, and color quality make it a premier display piece. It is not merely a mineral, but a true natural sculpture, capable of dialoguing with contemporary design spaces, professional studios, or enriching a Wunderkammer, a cabinet of curiosities where the beauty of nature is the protagonist. Its presence is an invitation to contemplate geometric perfection and the power of geological time.

Schätzpreis:€170

Alle Objekte ansehen vonCatawikioderEtnografica