This compact 2" x 4" Gold Testing Stone is ideal for jewelers, collectors, and hobbyists who need a portable and reliable tool to test precious metals. Made from durable black stone, it provides a smooth surface for rubbing gold, silver, or platinum jewelry before applying acid solutions. Its smaller size makes it easy to carry in a pocket or kit while still offering enough surface for accurate testing. Use it to verify authenticity, determine karat value, and safeguard against counterfeit or plated jewelry.

Bullet Points

• Precise Metal Testing – Perfect for testing gold, silver, and platinum jewelry to confirm authenticity and karat value.

• Durable Compact Design – Sturdy black stone measuring 2" x 4" x 5mm for reliable and long-lasting use.

• Easy to Use – Simply rub the metal on the stone before applying testing acids for fast, accurate results.

• Portable & Lightweight – Convenient pocket-sized design for jewelers, collectors, and mobile testers.

• Trusted Jewelry Tool – An essential for jewelry shops, pawn shops, and gold buyers to avoid counterfeits.