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Premium Mohs Hardness Test Kit (2-9 Scale) - Mineral Identification Set with 4 Testing Pencils, Glass Plate - Accurate Hardness Testing for Rocks, Gems & Geology Enthusiasts

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Product details

Management number 211147322 Release Date 2026/04/04 List Price US$67.60 Model Number 211147322
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Product Description: WHY CHOOSE OUR MOHS HARDNESS TEST KIT? Mineral hardness is the gold standard for identifying gemstones and distinguishing similar-looking rocks. Traditional methods require expensive equipment or guesswork—but our kit delivers lab-level accuracy at a fraction of the cost! WHO NEEDS THIS KIT? Jewelers & Gemologists: Verify stone authenticity and avoid fakes. Geology Students & Teachers: Conduct hands-on classroom experiments. Rock Collectors: Build a scientifically categorized mineral library. DIY Enthusiasts: Test materials for crafting, construction, or hobby projects. Outdoor Adventurers: Identify rocks during hiking, camping, or prospecting. Preparation: Clean and level the test surface. Testing: Hold at 70° to the surface, scratch a 20mm line with steady pressure. Observe scratches: No scratch = material hardness > pen grade; Visible scratch = hardness ≤ pen grade. Specifications Pen Grading: 4 dual-tip pens (red/yellow/green/blue marks), covering Mohs 2–9. Accessories: Glass hardness plate (Mohs hardness of 5.5) Metal plates (copper : Mohs hardness of 3.5 / aluminum : Mohs hardness of 2.5) Stone polishing plate, streak plate Mineral hardness chart, user manual Package Size: 310×250×100mm

  • FULL 2-9 HARDNESS SCALE: Includes 4 professional-grade Mohs hardness pencils (2 to 9 scale) to accurately distinguish minerals like quartz (7), topaz (8)
  • LAB-GRADE PRECISION: Calibrated metal tips ensure results align with GIA/international geological standards (error margin <0.5). Perfect for gemologists, students, and collectors
  • ALL-IN-ONE KIT, READY TO USE: Includes glass/metal plates, polishing stones, and more for diverse testing needs
  • PORTABLE DESIGN: Comes in a compact carrying case for easy transport and long-term use in field applications.
  • VERSATILE APPLICATIONS: Ideal for jewelry authentication, mineral classification, geology education, and industrial material testing. Works on rocks, gems, ceramics, and more
Item Weight 1.2 pounds
Manufacturer HOJILA
Package Dimensions 9 x 6.7 x 1.7 inches

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