Another Choora for consideration

[ariel]

Silver? Maybe.
More likely for that region would be the so-called white brass, i.e. Brass with high percentage of tin. If you are interested in knowing precisely, take it to a jeweler.
Agree on wootz: no

Ivory is a proverbial cherry on top: mostly it was just bone or horn. Later on it was Bakelite, with its saturated deep orange-ish color.

Good catch, enjoy it.