In daylight, calcite specimens from this rarely heard-of (and now depleted) locale are not quite spectacular; just white rhombohedral crystals with a dull lustre. But under UV, especially midwave, they're much less boring!
Cabinet sized specimen - 9,9 cm X 6,2 cm X 4,9 cm
Shown fluorescing under midwave, and in visible light in the last picture.
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