Cup‑Shaped Hollow Calcite 5 China Warehouse During the process of mineral

During the process of mineral formation

Dimesion: 9

Box Dimension: 21 x 28 cm

Dimensions: 8 x 5 x 4 in

Xia Yang city

Cup‑Shaped Hollow Calcite 5 China Warehouse During the process of mineralCupShaped 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