Botryoidal Prehnite with Epidote Bosso Mine, Bendoukou, Kayes Region, Mali Dimensions: 3.6 × 3.2 × 2.5cm
A striking specimen of botryoidal Prehnite featuring translucent, pale seafoam-green formations perched atop a contrasting matrix of dark olive-green to nearly black Epidote crystals. The Prehnite displays several beautifully rounded aggregates, including a prominent central formation with delicate, radiating fibrous textures and a smaller, nearly spherical crystal rising above it. Fine, silky striations create a shimmering appearance across the curved surfaces, while the angular, deeply striated Epidote crystals provide a dramatic contrast in both color and texture.
Prehnite is a calcium aluminum silicate mineral commonly found in hydrothermal environments, where it can develop distinctive rounded aggregates composed of radiating crystals. Mali is especially renowned for its attractive associations of pale green Prehnite and dark Epidote, producing specimens that highlight the contrast between the minerals' different crystal habits and surface textures.
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