Minerals

Presentation

•

Science

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9th - 12th Grade

•

Practice Problem

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Medium

Gina Treat

Used 308+ times

FREE Resource

8 Slides • 6 Questions

Minerals

In order to be classified as a mineral, it must have all 5 of these characteristics:

Natural: it must occur naturally
Inorganic: it must NOT be made from living things or the remains of living things
Solid: solid everywhere on Earth's surface
Definite chemical composition: must have the same chemical formula throughout
Crystalline structure: atoms are arranged in a repeating pattern making a specific shape

Mineral Identification

Properties

Color: most easily observed, but the least reliable

Luster: how a mineral reflects light

Hardness: rated on the Mohs scale from 1, softest, to 10, hardest

Streak: color of the powder scraped off a mineral

Cleavage: breaking along flat surfaces

Density: amount of matter in a given volume

Multiple Choice

Which of the following are characteristics of a mineral?

natural

crystalline structure

solid

all of the above

Multiple Select

Which of the following do NOT classify as a mineral because they don't meet all 5 characteristics?

coal

wood

salt

quartz

Multiple Choice

If a mineral breaks along flat surfaces, it demonstrates this property.

color

streak

luster

cleavage

Multiple Choice

If a mineral is said to be "metallic", this is a description of its:

color

streak

luster

cleavage

Multiple Choice

If a mineral is gold in color, but the powdered color is rusty brown, this is an example of its:

color

streak

luster

cleavage

Multiple Choice

This mineral identification property is the most easily observed, but the least reliable.

color

streak

luster

cleavage

Minerals

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