Solid Seven Piece Mohs Hardness Scratch Test Pens For Gemstone Checking Mineral ID Rock Tumbling Garage Work Glass Floor Scoring Straight Up Heavy Duty Gear You Gonna Love Using Daily

Solid Mohs Hardness Scratch Pens For Gem And Rock ID
✔️ Seven rated tips span grades three through nine for quick ID

This seven piece mohs hardness scratch set helps collectors and workshop pros sort stones and tiles fast. You simply drag the pointed nibs across glass, ceramic, concrete, or raw minerals to see which material gives way first. The tool stays light in your hand and fits right into the included plastic case for easy backyard or garage hauling.

✅ Covers standard scale levels from calcite to corundum
✅ Lightweight barrels fit easily in tool drawers or field packs
✅ Precision ground points leave clear scoring traces on tough surfaces
✅ Compact carrying tray keeps all seven pieces sorted and ready

💡 Why are affordable mohs hardness scratch test sets so handy for rough stone sorting?
You save time and money by marking samples at the bench or out in the field.
- Grab the correct grade nib to test calcium carbonate versus harder silica mixes
- Score the edge quietly to verify if your find belongs in the gem bin or trash pile
- Store the full range near your lathe or tumbling barrel for quick material checks