Gold Testing Black Stone – Multiple Sizes Available
High-Contrast Surface: Deep black tone for sharp, clear metal streak visibility.
Durable Composition: Crafted from fine-grain stone to resist chipping and abrasion.
Multiple Sizes: Available in 2½" to 16" lengths for various testing needs.
Multi-Metal Testing: Suitable for gold, silver, platinum, and other precious metals.
Chemical Resistant: Withstands repeated exposure to acids used in gold testing kits.
Portable & Professional: Lightweight and ideal for both personal use and jewelry shops.
Description
The Gold Testing Black Stone, a reliable choice for jewelers, gold buyers, and assay professionals. Available in multiple sizes ranging from 2½" x 1½" x ½" to 16” x 3” x ½”, this finely crafted black stone offers a high-contrast surface, ensuring sharp visibility for streak marks during gold and silver testing. Made from high-grade materials, the stone is durable, chemical-resistant, and suitable for frequent use with acid solutions. Whether you're working in a lab, store, or on-site, this portable testing stone supports precision, consistency, and reliability.
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