What is the Mohs hardness for Feldspar?

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Study for the JH Academic Bowl Test. Engage with flashcards and multiple choice questions. Each question offers hints and explanations. Prepare thoroughly for your academic competition!

Multiple Choice

What is the Mohs hardness for Feldspar?

On the Mohs hardness scale, how hard a mineral is depends on its scratch resistance: a harder mineral can scratch a softer one, and a softer mineral can be scratched by a harder one. Feldspar is typically rated at 6. This places it above glass (about 5.5), so feldspar can scratch glass, but below quartz (7), so quartz can scratch feldspar. The other numbers correspond to different minerals (5 for apatite, 4 for fluorite, 7 for quartz), whereas feldspar sits at 6, making 6 the correct hardness value.

What is the Mohs hardness for Feldspar?

Study for the JH Academic Bowl Test. Engage with flashcards and multiple choice questions. Each question offers hints and explanations. Prepare thoroughly for your academic competition!

What is the Mohs hardness for Feldspar?

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