The powder a mineral leaves behind is also known as the

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The question asks: 'The powder a mineral leaves behind is also known as the' and provides four choices.
Option 1: Fracture. This term refers to how a mineral breaks along surfaces of weakness, not the colorless powder left behind. Therefore, fracture describes a physical break pattern rather than the powder residue.
Option 2: Streak. This is the term used to describe the powder form of a mineral when it is rubbed on a surface, typically a porcelain plate. It is a primary diagnostic property because it often remains constant even if the mineral’s color varies due to impurities.
Option 3: Hardness. Hardness measures a mineral’s resistance to scratching, usually via the Mohs scale. It does not describe the powder left behind after rubbing a mineral on a plate, so it does not answer the question.
Option 4: Cleavage. Cleavage refers to a mineral’s tendency to break along flat, planar surfaces along zones of weakness. While related to fracture patterns, it again concerns break behavior, not the powder left behind, and thus does not fit the question.
In summary, the concept described by the question is the powder or residue produced when the mineral is powdered on a surface, which corresponds most closely to the term in option 2. The other options describe different mineral properties (fracture, hardness, and cleavage) that are about breakage patterns or resistance, not the powder color or residue left behind.

Earth & Environmental Science 2025-26 5.9 Mineral Test S- (45 Minutes ASYNC)

The powder a mineral leaves behind is also known as the

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