Well, some says that it is 102kg, some says its 117kg.
Sources:
http:/www.elephantfriends.org/tusks.html
What_is_the_heaviest_elephant_tusk_recorded
The heaviest elephant tusk on record weighed around 225 pounds. This tusk was from an African elephant that was poached for its ivory.
I don't know but I think you'll find the answer if you go on tsmsphysed.com
A tusk from an adult male elephant weighs between 100 and 175 pounds, according to SeaWorld Parks and Entertainment, while a tusk from an adult female elephant weighs between 40 and 44 pounds. The heaviest tusk ever recorded weighed in at 220 pounds
The Narwhal has a long ivory tusk.
Ivory is the commonly used name for the substance of an elephant tusk.
no, it is a different kind of ivory
Ivory.
Ivory
ivory tusk
Elephant ivory is made from the tusk of an elephant.
Ivory is an elephants tusk and a white icy colour .
IVORY