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