Physical Properties of Mineral Flashcards

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1
Q

it is the ability of mineral to resist scratching.

A

Hardness

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1
Q

refers to how light is reflected from the surface of a mineral.

A

Luster

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2
Q

refers to the characteristic shape of a mineral unit which are visible
(either an individual crystal or a group of crystal).

A

Crystal Form Habit

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3
Q

one of the most obvious characteristics of a mineral, but generally not the most useful diagnostic feature. Minerals have this because certain wavelengths are absorbed and the results from the combination of those wave lengths that reach the eye.

A

Color

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4
Q

is the mineral’s color in powdered form. It can be useful for identifying metallic and earthy minerals.

A

Streak

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5
Q

it is the ability of a mineral to break along preferred planes.

A

Cleavage

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5
Q

Mineral breaks unevenly or irregularly.

A

Fracture

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6
Q

magnetism, odor, taste, tenacity, reaction to acid, etc. For example, magnetite is strongly magnetic; sulfur has distinctive smell; halite is salty; calcite fizzes with acid as with dolomite but in powdered form; etc.

A

Other

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6
Q

is the “heaviness” of a mineral. It is defined as number that expresses the ratio between the weight of a mineral and the weight of a mineral and the weight of an equal volume of water. Water has a specific gravity of “1”.

A

Specific Gravity

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7
Q

groups of molecules that can be separated by physical means.

A

Mixtures

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8
Q
A
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