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a series of triangular patterns emerges-like a hidden geometric language etched in stone
From Daye Mine
individually or as chemical compounds
and energy by crystal enthusiasts
orthorhombic
Cup‑Shaped Hollow Calcite 1 china a series of triangular patternsCupShaped Hollow Calcite From Phong Nha Ke Bang, Quang Binh, Vietnam. Dimension: 6. 87. 94. 6cm. 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
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