Rock stone specimen mohs hardness scale
Ready to Ship
$49.00 - $50.00
Min Order: 1 box
Shipping per piece: $51.20
Mineral Mohs scale of hardness picks portable hardness tester 1~10 degrees pencil
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$185.00 - $186.00
Min Order: 1 set
Shipping per piece: $31.22
Mohs Scale of Hardness 10 Kinds Mineral Specimen For Hardness Test Kit of STEAM Science Teaching Equipment
Ready to Ship
$16.00 - $20.00
Min Order: 2 sets
Shipping per piece: $5.23