26 Flashcards

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1
Q

what is a mineral

A

is a naturally occurring inorganic solid with a crystalline form

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2
Q

What is a streak?

A

its the color of a mineral in powdered form

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3
Q

what are the two most abundant elements that make up earths crust

A

silicon and oxygen

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4
Q

what does inorganic mean

A

materials that are non living

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5
Q

what does the arrangement of an atom and the bonds between them reflect about a mineral

A

how a minerals breaks, how hard the mineral is, and its crystal shape

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6
Q

what are all the ways to identify minerals

A

Luster, streak, hardness, cleavage, fracture, shape, atomic arragment,

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7
Q

what are the two types of luster

A

metallic and non metallic

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8
Q

how does metallic luster reflect light

A

it reflects very easily

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9
Q

how does non metalic reflect light

A

not as easly and has a dull earthy reaflection

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10
Q

how do you perform a streak test

A

by rubbing a mineral on an unglazed porcelain tile

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11
Q

what are the two types of breakage that can happen to minerals

A

cleavage and fracture

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12
Q

what is the name of the scale to measure the hardness of a mineral

A

mohs scale of hardness

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13
Q

what is the number rage on mohs scale of hardness

A

1-10

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14
Q

how many different Crystal shape systems are there

A

6

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15
Q

Minerals grow from the _____

A

inside

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16
Q

what are 3 ways minerals can form

A

molten rock, hot water,and evaporation

17
Q

what are the two mineral groups

A

silicates and non-silicates

18
Q

which mineral group is the most abundant in earths crust

A

silicate minerals

19
Q

what elements are silicates made up of?

A

silicon and oxegon

20
Q

non silicates do not contain which element

A

silicon

21
Q

what mineral is used to make glass

A