06/25/2026
It looks like a giant sapphire or blue rock candy, but don’t eat this one! This is Copper(II) Sulfate (CuSO4), one of the most beautiful compounds in the lab. Watch the blade crush through those blue crystal layers.
The Chemistry:
🔹 Compound: Copper(II) Sulfate
🌡️ Melting Point: 150°C (Decomposes)
💨 Boiling Point: N/A (Breaks down into Copper Oxide) ❤️