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Moh's Hardness Scale was developed nearly 200 years ago by Friedrich Mohs and is used to classify minerals by hardness on a scale of 1 to 10
your students will have everything they need to determine and study the hardness of minerals
LAUNCH SYSTEM includes Estes Porta-Pad II Launch Pad and Electron Beam Launch Controller
Laser cut wood
and repairing
Attache Tool Case - Indestructo Series (Tools not included) Moh's Hardness Scale was developedHigh Impact polyethylene case Extra Heavy Duty Aluminum Frame Full Length Piano Hinge Black Color, 18"x13x6" Two tool pallets Tools not included
US$ 69.99
US$ 22.36
US$ 88.00
