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Ivory Coast Tektites (Ivoryites)
Ivory Coast Tektites, often referred to as Ivoryites, are a rare group of Tektites associated with the Bosumtwi impact event in Ghana, formed approximately 1.07 million years ago. Although the impact crater lies in Ghana, most Ivoryites are found in the Ivory Coast region, around 300 kilometers away, reflecting the scale and force of the original event. During the impact, terrestrial material was melted and ejected into the atmosphere, cooling rapidly before returning to Earth as natural glass. This direct link to a well-preserved and relatively recent crater makes Ivoryites particularly important within Tektite studies.
Ivoryites are typically black to dark brown and display a smooth, glassy texture. They occur in a range of forms, including rounded, irregular, and occasionally elongated shapes, shaped by their molten state during atmospheric flight. Their composition is primarily silica, with minor aluminium and trace elements, consistent with other Tektites. Surface features can include light pitting or weathering, depending on their history after deposition.
Studying Ivory Coast Tektites provides valuable insight into the Bosumtwi impact event, one of the youngest and best-preserved large impact structures on Earth. Their distribution far from the crater helps researchers understand ejecta transport, atmospheric flight, and the scale of material dispersal during major impacts. For collectors, Ivoryites offer a clear and well-documented connection to a specific impact event, combining rarity, scientific context, and distinctive West African provenance.