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Beryl héliodore
€500,00
A beryl with a unique crystalline formation. Copying the head of a rhombohedral corundum but with a hexagonal structure, this heliodore beryl includes a high level of alluminium-Al2O3. Colored yellow by the strong presence of Fe in the mineral structure.
The high inclusion rate of alluminium-Al2O3 leads to crystal modification. More details on the consequences of second-zone methamorphism.