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Flashcards in Minerals Deck (20)
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1
Q

All minerals are brittle? T or F

A

False

2
Q

Most minerals, like limestone, are radioactive? T or F

A

False

3
Q

What is the ability to glow under ultraviolet light?

A

Fluorescence

4
Q

What is the ability to reflect light?

A

Luster

5
Q

What is the ability to be drawn or pulled into a wire?

A

Ductility

6
Q

What is splitting along parrellel flag surfaces?

A

Cleavage

7
Q

Tendency to break along irregular surfaces?

A

Fracture

8
Q

What’re the 4 questions for figuring out what a mineral is?

A

Is the substance in organic, is the substance natural, is the substance a crystalline solid at temperatures near the earths surface, and does the substance has a definite chemical composition

9
Q

What is the difference between a rock and a mineral?

A

Minerals meet the four characteristics but rocks do not

10
Q

Why are some metals minerals and some are not

A

Because alloys are made up of two metals or more but minerals can only be made up of one element

11
Q

How do ors relate to metals

A

By separating those orders with magnets electricity or heat

12
Q

How do you use a field scale

A

If a mineral a scratch by an item and the item needs a mark then you know that the mineral is softer than that item then you can compare it to the Mohs hardness scale

13
Q

Metals are valuable bc

A

All of the above

14
Q

MOHs hardness scale ____ is hardest

A

Diamond

15
Q

What test alone can prove the identity of an unknown substand?

A

None of the above

16
Q

What are the two basic minerals

A

Silicate and nonsilicate

17
Q

Not a characteristic of minerals?

A

Organic

18
Q

Following is property of only certain minerals?

A

Double refraction

19
Q

How can we use minerals responsibly

A

We can recycle and be careful how we use minerals and use less of them to spare them because once you’re out of a mineral your out of a mineral

20
Q

Taste is safe for identifying minerals? T or F

A

False