Premium Dark Round Natural Test Stone for Silver Gold Jewellery, Scratch Acid Testing, Heavy Duty Pawn Quality

For jewellers, pawnbrokers, and assayers who need a reliable surface for acid testing precious metals. This natural test stone provides a consistent, high-contrast background for accurately assessing the fineness of gold and silver streaks. All our jewellery tools are UK-stocked for fast dispatch.

Key features

• Natural dark stone provides excellent colour contrast for gold and silver streaks.
• Features a fine-grained, matte surface that takes a clear metal streak without damage.
• Smooth, rounded pebble-like shape is comfortable to hold and manipulate during testing.
• Allows for accurate, non-destructive testing of jewellery and other precious metal items.
• A durable, heavy-duty tool suitable for daily use in a workshop or at a trade counter.

Who it's for

An essential bench tool for UK jewellers, assayers, pawnbrokers, and precious metal dealers who need to quickly verify the carat of gold and fineness of silver whilst assessing items.

Free UK delivery · Same-day dispatch before 2pm · 30-day returns