XNZJHPP Mohs Hardness Test Kit for Gem & Jewelry - 1-10 Scale Tester Pen with Gold Star Design, Quick & Easy Mineral Testing Tool for Rocks & Jade
XNZJHPP
【Full 1-10 Mohs Hardness Range】: Accurately measures hardness from 1 (talc) to 10 (diamond), making it suitable for various minerals and rocks. 【Unique Ten-Pointed Star Shape】: Ergonomic design provides a secure grip, facilitating efficient hardness testing in both fieldwork and lab environments. 【Durables and User-Friendly】: Made for repeated use with a scratch-resistant tip, ensuring reliability for professionals and enthusiasts alike. 【Safety & Quality Certified】: Complies with industry safety standards, perfect for educational labs, mining operations, and quality control checks. 【Versatile for All Users】: Ideals for geologists, rock collectors, educators, and hobbyists—great for mineral identification, academic research, or educational projects.
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