Vivianite Crystal Aggregates with Psilomelane in a Fossil Shell Matrix 2
Автор: Vezuvian
Загружено: 2025-11-17
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Описание:
Vivianite Crystal Aggregates with Psilomelane in a Fossil Shell Matrix
ID: 2112
Origin: Kerch Peninsula, Crimea
Size: 105 × 75 × 59 mm
Weight: 350.53 g
An impressive, aesthetic, and rare specimen in which the dark matrix and white kerchenite crusts contrast sharply with the radial clusters of cleaved vivianite crystals. The vivianite crystals are mostly darkened due to natural oxidation, yet in some areas they retain the characteristic greenish-blue hue of the fresh mineral. White, chalky crusts cover the walls of the fossil shell fragment and partially frame the vivianite growth zones, emphasizing the texture and origin of the piece. Psilomelane forms dark matte surface, harmoniously complementing the overall composition. The specimen is visually striking, highly contrasting, and of significant collector value.
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