Limonite has a hardness of about 4 to 5.5 on the Mohs hardness scale.
The diamond's hardness makes it one of the most durable and precious gemstones.
Pure materials, especially minerals, are measured on a hardness scale. There are three basic tests: indentation hardness, scratch hardness and rebound hardness. See Wikipedia
Uraninite has a hardness of 5.5 on the Mohs scale, which means it is similar in hardness to apatite.
I really don't know what the hardness of Cinder is but by testing it I think it has a hardness of 4
obsidion and 3 other things from moltaro
Sandstone and limestone and obsidion
you do not need the edges for a portal so 8 but with edges 12 and it needs to be aranged like this any block to the left and right of the two in the center(perferabaly dirt) you stack two obsidion on top of those then you put a block on top of the two obsidion and put obsidion blocks off of that it should look like this x--x - - - - x--x x stand for no block needed so improvise if you want and - stands for obsidion.
All you need is obsidion and flint and steel.Form the obsidion five blocks tall and four blocks wide.It should look like a rectangle.After that light the obsidion on fire and the nether portal will apear.If the portal does not show up then you did something wrong.
a Obsidion rock
Its called obsidion you start with two
a Obsidion rock
Limonite has a hardness of about 4 to 5.5 on the Mohs hardness scale.
Flint has a hardness of 7 on the Mohs scale of hardness.
what is the difference between Shore-A Hardness & Barcol Hardness
When water is spread on top of lava it creates obsidian but when water and lava collide side to side it creates cobblestone
The hardness of conundrum is 9 on the Moh's hardness scale