You have to get a bucket of water. Pour it on the lava and then mine the obsidian with a diamond pickaxe.
Obsidian
You make the obsidian rock cycle by listening to your teachers instead of sleeping in class lazy!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
You can make a Nether Portal. Put the Obsidian in a 4x6 vertically with a 2x3 hole in it. Using Flint and Steel or a Fire Charge, right click on the bottom Obsidian.
Obsidian is found in really deep creeper caves with magma and water. Magma + Water = Obsidian You need a 3x5 rectangle of obsidian and light it with flint and stone.
You put lava and water and make a obsidian
yes
Making a cutting tool using obsidian rock is quite easy. The cavemen used to smack pieces of obsidian with other rocks until the obsidian was thin and sharp as a knife.
It has been used to craft tools, historically. Obsidian has also been used to make jewelry.
Obsidian is an extremely sharp type of glass, so it is often used to make knives and scalpels.
Obsidian
No. Pahoehoe forms basalt.
That is a volcanic glass. In ancient times it was used to make arrow heads and to make mirrors when it was polished. You can order a mirror using obsidian glass but it will cost you.