NAME ___________________________________________________________ PERIOD ____________________ “HARDNESS” WORKSHEET Field Hardness Kit Fingernail 2.5 Copper 3 Steel nail 5.5 Glass 6 1. Talc 2. Gypsum 3. Calcite 4. Fluorite 5. Apatite Mohs Hardness Scale 6. Feldspar 7. Quartz 8. Topaz 9. Corundum 10. Diamond Mineral A is scratched by mineral B – mineral B is harder A mineral can scratch itself Diamonds can only be scratched by other Diamonds Mineral C scratches mineral D – mineral C is harder Using the information above as reference, find the hardness of these minerals. 1. Mrs. Gregory found a mineral that scratched glass and was scratched by Topaz. _________ 2. Mrs. Gutsche found a mineral that scratched every mineral. ___________ 3. Mr. Berlanda has a mineral that his finger nail scratched very easily. _________ 4. This mineral is scratched by Feldspar but not by Apatite. ___________ 5. A mineral was found that scratched a piece of copper but was not scratched by a fingernail. ___________ 6. Mr. Galante found a mineral that talc scratched.___________ 7. A mineral was found that scratched Topaz but not a diamond._____________ 8. This mineral scratched a piece of steel but not glass. _____________ 9. A mineral was found that scratched Calcite, Fluorite and Apatite but not Feldspar. _________ 10. Mr. Dukeman found that someone had scratched the office windows. Mineral is harder than ________.