
OCT 23 | 8:00 AM

Toutes les enchères / Ethnographie / Brazilian Amethyst Geode Section with Rich Violet Crystal...


Elegant specimen of heart-shaped, hand-carved Amethyst, revealing a deep, bright crystalline cavity, originating from Brazil's geological formations. — This lot presents a specimen of Amethyst (SiO₂), a macrocrystalline quartz variety, skillfully carved and polished in the shape of a heart, obtained from the cross-section of a volcanic geode. The mineral’s peculiar violet coloration is attributable to iron impurities and exposure to natural ionizing radiation, a geological phenomenon that has promoted the development of intense and refined hues. Visual analysis reveals a fascinating chromatic transition, ranging from a pale peripheral lilac to a deep, saturated purple at the center of the crystalline cavity. The crystals, predominantly prismatic in habit with well-defined terminations, exhibit excellent glassy luster and good transparency, features that maximize interaction with light and enhance its sparkle. The surrounding matrix, meticulously polished, creates an aesthetic and tactile contrast with the rough, glittering texture of the inner druse. The specimen originates from the renowned Amethyst geode formations of Brazil, one of the most important and productive deposits worldwide for this gem. Brazilian geodes typically develop within cavities in basaltic volcanic rocks, where silica and iron-rich hydrothermal solutions precipitate slowly, promoting crystal growth over millions of years. This geological origin bestows Brazilian Amethyst with its distinctive chromatic and structural qualities. From an aesthetic point of view, the heart-shaped carving of this Amethyst geode represents a harmonious fusion between lapidary art and the intrinsic beauty of nature. The form enhances the concentration of the most intensely colored crystals at the nucleus of the piece, creating a focal point of great visual impact. The considerable size and the integrity of the individual crystals inside the cavity attest to optimal growth conditions, culminating in a specimen of notable gemological and collectible value. The mineral’s condition is impeccable, with no evidence of fractures or significant alterations. The external polish is expertly executed, highlighting the forma and texture of the matrix, while the inner crystal druse remains unaltered. The piece comes with an elegant black wrought-iron stand, designed to ensure stability and to showcase the work, emphasizing its sculptural presence and the brilliance of the crystals. This Amethyst heart is a premium acquisition for discerning collectors or a high-class decorative element. The combination of excellent provenance, superior crystal quality, and elaborate carving elevates it to a 'Collector’s Specimen' level. Its rarity and undeniable visual appeal distinguish it from ordinary specimens, offering a unique opportunity for the mineralogy enthusiast.
Estimation:€900
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Estimation:
€900
ARMBAND, 3 st, samehantverk, skinn med dekor av tennbrodyr och knapp i ben
10/11/2026

€53.56
Est. : €35.54
CARL JOHAN TRYGG (1887-1954), figuriner, 2 st, skuret trä, 1919
10/11/2026

€17.85
Est. : €53.32
CARL JOHAN TRYGG (1887-1954), figuriner, 2 st, skuret trä, 1918 samt 1923
10/11/2026

€26.78
Est. : €53.32

OCT 23 | 8:00 AM

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