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Flashcards in Minerals Deck (20)
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1

All minerals are brittle? T or F

False

2

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

False

3

What is the ability to glow under ultraviolet light?

Fluorescence

4

What is the ability to reflect light?

Luster

5

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

Ductility

6

What is splitting along parrellel flag surfaces?

Cleavage

7

Tendency to break along irregular surfaces?

Fracture

8

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

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

What is the difference between a rock and a mineral?

Minerals meet the four characteristics but rocks do not

10

Why are some metals minerals and some are not

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

11

How do ors relate to metals

By separating those orders with magnets electricity or heat

12

How do you use a field scale

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

Metals are valuable bc

All of the above

14

MOHs hardness scale ____ is hardest

Diamond

15

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

None of the above

16

What are the two basic minerals

Silicate and nonsilicate

17

Not a characteristic of minerals?

Organic

18

Following is property of only certain minerals?

Double refraction

19

How can we use minerals responsibly

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

Taste is safe for identifying minerals? T or F

False