not exactly heat, but cool. Quartz will conduct electricity below -100 degrees or when under pressure more that 8.00. Because electricity heats up stuff, and you would expect it do that with quartz, quartz is a slow heat conductor, so... ...well sorry to go off topic but I wonder how they heated it so fast in Benassi's mineral refinery? Anyway, cool trick. Like your sparkling BRAY thing, only I have no idea how you did that.

You know, you could turn heat mode off.