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ATHENA

MINERALOGY

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Mineral: POELLMANNITE
Formula: Ca6Al3(OH)18[Na(H2O)6](SO4)2.6H2O
Crystal System: Rhombohedral (Trigonal)
Group: Hydrotalcite supergroup. Hydrotalcite group
IMA Number: 2021-109
References: EJM 34 (2022), 253
Type Locality: Ca. 2 km south-east of the Hatrurim Junction (road no. 31), Hatrurim Basin, Negev Desert, Israel

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