Rock ID help

[janra171408]

Anyone know what this could be? Not sure if I'm doing this correctly

 

Amazon Forum Fav 👍

Diving for Pleasure and Treasure - Grab it through Amazon!

[Moesia]

You are.

 

[Eu_citzen]

Pictures look fine, but try taking them dry. The lustre of a specific kind of rock aids in making a qualified guess.