The best replacement for lava is magma.

The best alternatives to lava are rated as following:
★★★★★  magma
★★  ice
★  coke
★  emax
★  mogami
★  vargas
★  can of coke
★  george l
★  mole
★  procera
★  sarong
  acid
  micromax
  coke can
  pansat
  pfm
  cerec
  cercon
  liquid nitrogen
  sun hotter
  lorand
  empress
  xolo
  micromax which is better
  captek
  porcelain crowns
  pyroclastic material
  fire hotter
  emax crowns
  felsic

Your alternative for lava is not listed? Suggest!
Speaking about lava, one probably shouldn't forget about water minecraft.

Other search terms related to lava and their ratings are:
★★★★★ water minecraft
★★★ intel
★ bucket in minecraft
★ volcano
You have in mind a companion for lava and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of lava in all years. Click on graph for more.
lava
magma
ice