rocks Flashcards

1
Q

Mineral

A

naturally formed, ironic solid that has a defined chemical structure

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2
Q

Rock

A

the solid mineral material forming part of the surface of the earth and other similar planets

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3
Q

Element

A

a part or aspect of something abstract

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4
Q

Compound

A

a substance made up of atoms of 2 or more different elements joined by chemical bonds

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5
Q

Crystal

A

a solid whose atoms, ions, or molecules are arranged in a defined pattern

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6
Q

Color

A

the first charismatic but not a good way to identify

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7
Q

Luster

A

the way in which a mineral reflects light

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8
Q

Streak

A

the color of powder of a mineral

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9
Q

Cleavage

A

the splitting of a mineral along a smooth flat surfaces

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10
Q

Fracture

A

the manner in which a mineral breaks along either a curved or irregular surfaces

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11
Q

Density

A

the ratio of the mass of a substance to the volume of the substance

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12
Q

Ore

A

a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted

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13
Q

Metallic minerals

A

high specific gravity and metallic luster

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14
Q

Non-metallic minerals

A

described as the minerals that do not comprise of metals

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15
Q

Gemstones

A

a precious or semiprecious stone, especially one cut, polished, and used in a piece of jewelry.

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16
Q

Igneous rock

A

is one of the three main rock types, the others being sedimentary and metamorphic

17
Q

Sedimentary rock

A

types of rock that are formed by the accumulation or deposition of small particles and subsequent cementation of mineral or organic particles on the floor of oceans or other bodies of water at the Earth’s surface

18
Q

Metamorphic rock

A

a type of rock which has been changed by extreme heat and pressure