Moh's Hardness Scale

The Mohs scale of hardness serves as a basis for a mineral’s ability to be —

• Burned

• Scratched

• Broken

• Frozen

If an unknown mineral scratches fluorite, it is harder than —

• Gypsum

• Feldspar

• Diamond

• Topaz

If a mineral is harder than gypsum, softer than topaz, and has a hardness greater than 4 but less

than 7, it would most likely belong in —

• Box A

• Box B

• Box C

Quartz can be scratched by window glass but not a steel file. Which of the following can be scratched by Quartz?

• Topaz

• Orthoclase

• Diamond

Orthoclase can scratch all the following minerals except –

• Calcite

• Talc

• Topaz

Identify which mineral is harder than fluorite, can be scratched b feldspar, and has a hardness greater than 4.

• Topaz

• Box B

• Box C

Which is the softest mineral in Moh's Scale of Hardness?

• Box C

• Talc

• Diamond

• Gypsum

Which is the hardest mineral in Moh's Scale of Hardness?

• Box D

• Feldspar

• Diamond

Identify which mineral is harder than Gypsum, can be scratched by Fluorite, and has a hardness greater than 2.

• Box A

• Feldspar

• Box B

Tags

NGSS.MS-PS1-2

Identify which mineral is harder than Topaz, can be scratched by a Diamond, and has a hardness greater than 8.

• Box C

• Fluorite

• Box D