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ATHENA

MINERALOGY

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Mineral: SERGEEVITE
Name: Сергеевит
Formula: Ca2Mg11(CO3)13-x(HCO3)x(OH)x.10-xH2O (x=4)
Crystal System: Rhombohedral (Trigonal)
Group: Hydrotalcite supergroup. Hydrotalcite group
IMA Number: 1979-038
References: ZVMO 109 (1980), 217; AM 66 (1981), 1100; HB5 (2003)
Type Locality: Tyrnyauz deposit, Baksan valley, Caucasus, Kabardino-Balkaria, Russia

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