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The property of a mineral by virtue of which it can be cut with a knife is __________

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The property of a mineral by virtue of which it can be cut with a knife is __________

(a) Parting

(b) Sectile

(c) Malleable

(d) Ductile

The question was posed to me during an online interview.

My doubt stems from Physical Properties in section The Study of Minerals of Engineering Geology

1 Answer

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The correct answer is (b) Sectile

The best I can explain: The behaviour of a mineral towards the forces that tend to break, bend, cut or crush is described by the term tenacity. Thus, when a mineral can be cut with a knife, it is described as sectile.

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