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53 mm Manganoan "sandwich" Calcite from Fujian
Liancheng Mn deposit, Longyan, Fujian, China
Size: 22x53x35 mm (37,2 gr)
Fantastic Manganoan "sandwich" Calcite
These crystals are from a new find in 2021. The crystals are prismatic crystals of Calcite with hexagonal shapes and marked zones. And because of their look, they are known as Sandwich Calcites.
Manganoan is a variety of calcite rich in manganese, which gives the mineral a pink color. The pink color is barely visible, in the center between the two zones of white calcite.
Under long-wave UV light, these Calcites are highly fluorescent with a beautiful rich orange glow.
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