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Natural Test Stones

Natural Test Stones A dark stone on which needle and item to be tested are rubbed. Determine karat values of precious metals. Used with test acid solutions.

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Natural Test Stones

Name: Natural Test Stones
Brand: Perrin Supply
SKU: test-stones-56710
Availability: InStock

Natural Test Stones A dark stone on which needle and item to be tested are rubbed. Determine karat values of precious metals. Used with test acid solutions.

$16.90

Natural Test Stones—

$16.90

Natural Test Stones—

$16.90

Product Information

Shipping & Returns

Description

Natural Test Stones A dark stone on which needle and item to be tested are rubbed. Determine karat values of precious metals. Used with test acid solutions.