1) Able to run in the heat 2) Flowing 3) Heated; glowing 4) In a state of fusion 5) Kind of rock 6) Lava leader 7) Lava type 8) Lavalike 9) Like flowing lava 10) Like fresh lava 11) Like lava 12) Like lava or magma 13) Like magma 14) Like metal before die casting 15) Like the golden calf 16) Liquefied Found on https://www.crosswordclues.com/clue/molten
• (p. p.) of Melt • (a.) Melted; being in a state of fusion, esp. when the liquid state is produced by a high degree of heat; as, molten iron. • (a.) Made by melting and casting the substance or metal of which the thing is formed; as, a molten image. Found on http://thinkexist.com/dictionary/meaning/molten/
Mol'ten adjective [ See Melt .] 1. Melted; being in a state of fusion, esp. when the liquid state is produced by a high degree of heat; as, molten iron. 2. Made by melting and casting the substance or metal of which the thing is formed; as, a molten image. Found on http://www.encyclo.co.uk/webster/M/90