Giant 'Madeira' Citrine Quartz Geode from Brazil...

Imponente Quartz Citrine 'Madeira' Cavity with Excellent Crystal Quality — This specimen captivates with its imposing presence and the extraordinary cavity lined with citrine crystals. The interior surface is an explosion of crystal points, each reflecting light to create a sparkling effect that evokes a carpet of gems. The distinctive color, a rich honey-orange hue, is deeply saturated, a feature that identifies it as the sought-after Citrine 'Madeira'. This coloration results from iron oxide inclusions within the quartz matrix and exposure to natural geothermic processes, which transform violet amethyst or milky quartz into these warm golden shades. The ovoid shape of the geode, with its rough and dark outer crust, contrasts beautifully with the crystalline opulence inside, creating a natural work of art of rare beauty. The considerable size of the piece makes it an ideal focal point for any collection or decorative setting, bestowing it with an aura of majesty. Geodes form through a fascinating geological process: they begin as gas bubbles within volcanic or sedimentary rocks, which over time slowly fill with mineral-rich fluids. The temperature and pressure conditions allow crystallization of the minerals on the inner walls, creating the splendid formations we admire today. This specimen stands as a vivid testament to the power and beauty of Earth's natural processes. An extraordinary piece that unites scientific interest with pure aesthetic wonder, a true treasure for collectors and lovers of geological marvels. Its presence has the power to elevate any environment, transforming it into a gallery of natural history and timeless beauty.

Estimation:€3,100

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