A.A. Agakhanov, Pautov, L.A., Uvarova, Y.A., Sokolova, E.V., Hawthorne, F.C., Karpenko, V.Yu., Dusmatov, Y.D., Semenov, E.I. (2004) Arapovite, (U,Th)(Ca,Na)2(K1–xx) Si8O20·H2O— New mineral. New Data Mineral. M., 39, 14–19.

Y.A.Uvarova, E. Sokolova, F.C. Hawthorne, A.A. Agakhanov, L.A Pautov (2004) The crystal structure of arapovite, U4+(Ca,Na)2(K1–xx)[Si8O20], x ≈ 0.5, a new mineral species of the steacyite group from the Dara-i-Pioz moraine, Tien-Shan mountains, Tajikistan. Can. Mineral., 42, 1005–1011.

Arapovite occurs as dark green zones (0.1 to 0.3 mm)...

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