No. Lava is generally not hot enough to melt steel.
It depends on what type of jewels or gems you are talking about. Lava may not be hot enough to melt those jewels that are a product of high temperature formation. Gemstone melting points vary greatly.
Yes lava will melt everything in its path, apart from granomight witch might last at least 5 minutesin the lava.
of course it does lava melts everything in its way
a diamond's melting point is so highmagma will not melt it
No. You will burn.
Yes
Plenty of metals have high enough melting points that they would not melt in lava.
There Is No Evidence That Lava Pool Have Diamond.
melt him in lava it can melt the metal off mario
yes
You cannot eat lava. It is molten-hot and will melt you in seconds. Unless you mean larvae, not lava.