no you can not in the sense that they cannot blend and mix to form a new compound. you could set a combination of these stones in jewelery, though.
Obsidian
obsidian
No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.
Type in "buy obsidian" in your search bar. You will be given information on several sources. Knappable obsidian sells for around $5 US per pound.
Toast.
No. Obsidian has a high silica content: diamond is only carbon.
No. Obsidian is natural glass, mostly silica. Obsidian is of volcanic origin.
Diamond is the hardest substance known to man, so it can break most materials. Obsidian is a type of volcanic glass that is very sharp and brittle. Diamond can break obsidian.
No, you need a diamond pickaxe to successfully mine obsidian, and it takes 15 seconds. With anything else it take a minute, roughly. If you do not use a diamond pickaxe you will not be able to mine the obsidian.
No. Only a Diamond Pickaxe can mine obsidian.
You need a diamond pickaxe to mine obsidian :p
You need a Diamond pickaxe to mine Obsidian.
You may only mine Obsidian with a Diamond Pickaxe.
No you can't you can only mine the obsidian with a diamond pickaxe.
You have to get a bucket of water. Pour it on the lava and then mine the obsidian with a diamond pickaxe.
No, diamond is the hardest known mineral.
Diamond is the hardest natural mineral known.