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AMETHYST WITH QUARTZ, AGATE & CALCITE FREEFORM
Brazil
66cm x 41cm x 37cm (26.0in x 16.1in x 14.6in)
Available for Private Acquisition
Enquiries handled privately via WhatsApp or email
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Occasionally a specimen transcends its geological origins to assume a form so dramatic and organic that it occupies the territory between natural history and sculpture. This extraordinary freeform, with its exterior shaped and polished to a high-gloss, brown/black agate finish that flows in sinuous, almost biomorphic curves, is one such piece, and is among the most visually striking presentations of a mineral interior that one is likely to encounter.
The polished outer shell is composed of dense, deeply pigmented Agate whose glossy surface reflects light with an almost lacquered intensity, its undulating contours rising and tapering into angular, flame-like peaks that frame the exposed crystalline cavity within. This deliberate lapidary treatment transforms what would otherwise be a rough volcanic rind into a dramatic sculptural envelope, dark, fluid, and unmistakably modern in its aesthetic sensibility, while preserving the raw geological spectacle at its centre.
That centre is magnificent. A generously proportioned cavity lined with phantom Amethyst crystals graduating from pale lilac at the margins to a deep, saturated violet at the heart of the formation. The colour gradient visible here is a direct record of increasing iron concentration and irradiation exposure as the cavity's mineralising fluids evolved over time. Crowning the upper portion of the druzy, a singular Calcite crystal of soft, translucent yellow sits perched upon the Amethyst bed. Such secondary Calcite growth indicates a later mineralisation event, the Calcium Carbonate precipitating from fluids chemically distinct from those responsible for the silica phases beneath it.
The concentric transition from polished Agate through frosted white quartz into the amethyst interior reads as a geological cross-section rendered in three dimensions — a sequence of mineral deposition spanning millions of years, now framed within a form that would hold its own in any gallery of contemporary art.
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Description
Occasionally a specimen transcends its geological origins to assume a form so dramatic and organic that it occupies the territory between natural history and sculpture. This extraordinary freeform, with its exterior shaped and polished to a high-gloss, brown/black agate finish that flows in sinuous, almost biomorphic curves, is one such piece, and is among the most visually striking presentations of a mineral interior that one is likely to encounter.
The polished outer shell is composed of dense, deeply pigmented Agate whose glossy surface reflects light with an almost lacquered intensity, its undulating contours rising and tapering into angular, flame-like peaks that frame the exposed crystalline cavity within. This deliberate lapidary treatment transforms what would otherwise be a rough volcanic rind into a dramatic sculptural envelope, dark, fluid, and unmistakably modern in its aesthetic sensibility, while preserving the raw geological spectacle at its centre.
That centre is magnificent. A generously proportioned cavity lined with phantom Amethyst crystals graduating from pale lilac at the margins to a deep, saturated violet at the heart of the formation. The colour gradient visible here is a direct record of increasing iron concentration and irradiation exposure as the cavity's mineralising fluids evolved over time. Crowning the upper portion of the druzy, a singular Calcite crystal of soft, translucent yellow sits perched upon the Amethyst bed. Such secondary Calcite growth indicates a later mineralisation event, the Calcium Carbonate precipitating from fluids chemically distinct from those responsible for the silica phases beneath it.
The concentric transition from polished Agate through frosted white quartz into the amethyst interior reads as a geological cross-section rendered in three dimensions — a sequence of mineral deposition spanning millions of years, now framed within a form that would hold its own in any gallery of contemporary art.
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Next whenever you're ready.