Bev, please post pictures, broken piece, back lit whole thing, My guess is obsidian but that is without seeing it. If yoou click the edit button, the box you posted in will pop up.your dialogue will still be there(essentially your original post). There are two tool bars appearing above the box. The bottom tool bar has seven boxes. The sixth box has four icons, the first one has a silhouette of a sun and two mountains. Click on that button and the drop down will give you three options to upload photos into your post. Follow the prompts' send to server and clck ok.