chapter 26 Flashcards

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1
Q

a naturally occurring inorganic solid with a crystalline form

A

mineral

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2
Q

The mineral in powdered form

A

streak

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3
Q

when a mineral breaks along preferred lines

A

cleavage

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4
Q

Minerals that break irregularly

A

Fracture

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5
Q

property that measures a minerals resistance

A

hardness

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6
Q

molten rock inside earth

A

magma

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7
Q

a mineral is

A

naturally recurring,inorganic,crystalline form

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8
Q

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

A

silicon,oxygen

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9
Q

what does inorganic mean

A

materials are not living

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10
Q

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

A

how it breaks, how hard it is, and what crystal shape it has

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11
Q

what are all of the ways to identify a mineral

A

luster,hardness,streak,cleavage,atomic arrangement,crystal shape

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12
Q

what are the two types of luster

A

metallic nonmetallic

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13
Q

how does metallic luster reflect light

A

like a metal surface

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14
Q

how does nonmetallic luster reflect light

A

has a waxy or earthy appearance

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15
Q

how do you preform a streak test

A

rub the mineral on an unglazed porcelain tile

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16
Q

what are the two types of breakage that can happen

A

cleavage and fracture

17
Q

what is the name of the scale to measure hardness

A

mohs scale

18
Q

what is the number scale to measure the hardness of minerals

A
19
Q

how many crystal shapes are there

A
20
Q

minerals grow from the what

A
21
Q

what are three ways minerals can form

A
22
Q

what are the two mineral groups

A
23
Q

which mineral group has the most abundant mineral in earths crust

A
24
Q

what elements are silicates made of

A
25
Q

silicates are made up of what

A
26
Q

nonsilicites contain what element

A
27
Q

what mineral is used to make glass

A