Gemstone Hardness Reference Set – Mohs Scale Mineral Testing Stones Tweezers and basic metal shaping

and basic metal shaping

May also be used to make decorative wire forms

– Compatible with oxygen/acetylene systems

or collector

Gemstone Hardness Reference Set – Mohs Scale Mineral Testing Stones Tweezers and basic metal shapingThis Gemstone Hardness Reference Set is a practical tool for gemologists, jewelers, goldsmiths, and gemstone collectors who need to identify and compare gemstone hardness. Similar to a Mohs hardness testing kit, this set includes carefully selected natural minerals that represent different hardness levels used in gemstone identification and testing. The reference set includes minerals such as Epidote, Crystal (Quartz), Garnet, Precious Opal,