Fissure Block (Nether)

Basalt Delta Hazard. Fissure Blocks are Blackstone Blocks with a volcanic crack at the top. It spews out Fire particles. If you step on it it burst and catches you on fire while launching you Upwards. If you have fire resistant you'll take no damage. Although it's mostly found in the Basalt Deltas. It can be found anywhere in Blackstone deposits. Although not very often.