Checked reel · 26 Oct 2026

He isn't melting rubies here, he's melting the pink jeweler wax around them.

Rubies are made of corundum and have a melting point over 2,000°C (3,700°F). A heated wax tool won't even scratch them, let alone melt them. What you're seeing is a technique called cast-in-place lost-wax casting. He embeds the raw rubies into a wax ring model, shapes the wax, burns it out in a furnace, and pours molten silver into the mold. The rubies survive the metal heat, but the gem itself never melts.

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