"For the crystal? Fifty credits," Silas said, closing the box. "For the secret of where I get them? That’ll cost you a lot more than money."
For high-grade, raw crystals (like PZT or Rochelle salt), APC International or Boston Piezo-Optics are industry leaders. where to buy piezoelectric crystals
For natural, non-synthetic quartz with piezoelectric properties, look for "Twin Crystals" or "Electronic Grade Quartz" from high-end mineral dealers. "For the crystal
The neon sign over "Silas’s Curios" flickered with a rhythmic hum that most people ignored. But Elias knew that hum was the sound of 20,000 volts trying to find a way out. That’ll cost you a lot more than money
If you’re experimenting, Amazon or Home Science Tools offer basic quartz or ceramic discs for DIY projects.
"I want ," Elias corrected. "High-grade lead zirconate titanate. Or raw quartz if the axis is clean enough."