I can't really tell, iit doesn't really look like onyx and it's hard to ell in pics, if you google whatever color it is (silver/black??) +gemstones, you should be able to find a similar picture, click on it and find out what it is. Not trying to cause you trouble. I love stone, and like this, just wanted to know what it is
well your not causing me trouble I know what I was told it is a thin cut and the shape makes it look different. I have a block shape the same way they aren't as black as some I have seen but the block. will never be put up for auction because it has some chips in it . but it already has bids on it .IT is not silver