The sister of Nodar Kumaritashvili, a Georgian athlete, mourns at his funeral in Bakuriani, Georgia, 2010. Black is the customary color of mourning dress in Eastern Orthodoxy. (Photographer: Shakh Aivazov)
Is that a rosary around her arm?
I mean, rosaries are sometimes used in Orthodoxy (though prayer ropes, occasionally also called rosaries even though they are distinct, are more associated with it), but that sure looks like a Catholic rosary with a few beads missing to me.

The sister of Nodar Kumaritashvili, a Georgian athlete, mourns at his funeral in Bakuriani, Georgia, 2010. Black is the customary color of mourning dress in Eastern Orthodoxy. (Photographer: Shakh Aivazov)

Is that a rosary around her arm?

I mean, rosaries are sometimes used in Orthodoxy (though prayer ropes, occasionally also called rosaries even though they are distinct, are more associated with it), but that sure looks like a Catholic rosary with a few beads missing to me.