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

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

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 —

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

Orthoclase can scratch all the following minerals except –

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

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

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

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

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