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Alle Auktionen / Etnografica / Botryoidal Citrine Druse
Rare specimen of botryoidal Citrine with microcrystals on an elegant display base. — This exceptional mineral specimen presents a complex formation of Citrine with a distinctive botryoidal habitus. The structure is characterized by spherical or mammillated growth aggregates, composed of successive generations of quartz that have been deposited in geode cavities. The surface is completely covered by a dense druse of microcrystals of quartz, which give the entire specimen a sparkling brilliance from every angle of light. Warm colorations dominate this piece, with tones ranging from a deep honey yellow to a vibrant golden orange, up to amber hues. This coloration is typical of quartz thermally treated, a standard process to intensify the beauty of citrine. The contrast is accentuated by the peripheral edge, often composed of milky quartz or whitish chalcedony, which frames the citrine formations and enhances their tridimensionality. The origin of specimens of this type is predominantly linked to hydrothermal deposits within igneous or metamorphic rocks, where silica-rich solutions and iron oxides favored quartz crystallization. The botryoidal formations, in particular, are the result of slow and uniform precipitation of the mineral on an irregular surface, giving rise to these rounded shapes reminiscent of bunches of grapes or bubbles. From an aesthetic standpoint, the rarity of a botryoidal druse of Citrine of these size and quality is undeniable. The microcrystals, although small, show remarkable uniformity and excellent luster, creating a hypnotic visual effect. The underlying matrix, although not always visible, contributes to the stability and formation of the overall structure. This specimen is mounted on a decorative wooden base with a brass support, handcrafted to enhance the piece and allow optimal display. The condition is excellent, with no damage or significant alterations that could compromise its aesthetic or scientific value. Such presentation elevates the piece from a simple mineral to a true work of art and design, ideal for collectors or to enrich refined environments.
Schätzpreis:€2,000
Zur AuktionAlle Objekte ansehen vonCatawikioderEtnografica
Schätzpreis:
€2,000
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