Mineral Physical Properties Quiz

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Questions and Answers

What is the primary difference between a rock and a mineral?

Minerals have a characteristic internal structure, while rocks do not
Minerals are inorganic, while rocks can be organic or inorganic
Minerals are naturally occurring crystalline solids, while rocks are aggregates of mineral grains (correct)
Minerals have a fixed chemical composition, while rocks have varying compositions

Which property refers to the external appearance of a mineral as determined by the light reflected from its surface?

Fracture
Cleavage
Luster (correct)
Hardness

What property of a mineral refers to its resistance to being scratched?

Tenacity
Specific Gravity
Hardness (correct)
Magnetism

Which property of a mineral describes its tendency to break along preferred planes?

Cleavage (D) Signup and view all the answers

What property of a mineral is determined by rubbing it against an unglazed porcelain tile to produce a colored line?

Streak (A) Signup and view all the answers

Lesson 1 of the course outline is about what topic?

Introduction Signup and view all the answers

What is the difference between a rock and a mineral?

A mineral is a naturally occurring crystalline, inorganic, homogenous solid with a fixed or varying chemical composition, while a rock is a consolidated or unconsolidated aggregate of mineral grains consisting of one or more mineral species with some degree of chemical and mineralogic constancy. Signup and view all the answers

Name one of the physical properties of minerals discussed in the course outline?

Hardness Signup and view all the answers

What is a mineral?

A naturally occurring crystalline, inorganic, homogenous solid with a chemical composition that is either fixed or varies within certain fixed limits, and a characteristic internal structure manifested in its exterior form and physical properties. Signup and view all the answers

What is lesson 4 of the course outline about?

Hardness Signup and view all the answers

Flashcards

Rock vs. Mineral

Minerals are naturally occurring crystalline solids with a specific chemical composition, while rocks are collections of mineral grains.

What is Luster?

Luster describes how light reflects off a mineral's surface, giving it a shiny, metallic, glassy, or dull appearance.