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with distinct stepped skeletal growth striations clearly visible across all crystal faces
Dimension: 10
translucent appearance
11pcs mix flat
with some sections penetrating to the core
Cup‑Shaped Hollow Calcite 5 US Showroom with distinct stepped skeletal growthCupShaped Hollow Calcite From Phong Nha Ke Bang, Quang Binh, Vietnam. Dimension: 6. 7x9. 8x8. 7cm This unique hollow cupshaped calcite forms in karst caves that remain permanently submerged by groundwater. In mineralrich, calciumsaturated water, crystal edges grow faster with constant access to fresh mineralladen flow, while growth slows at the stagnant, nutrientdepleted core gradually creating its hollow cup structure. Underwater, the calcite
