minerals test review

Minerals Test ReviewMinerals Test Review

Question 1Question 1

What does inorganic mean?What does inorganic mean? Something that does not arise from once Something that does not arise from once

living things; not from the remains of living things; not from the remains of plants or animalsplants or animals


What type of crystal system does halite What type of crystal system does halite have?have?

CubicCubic


What is cleavage?What is cleavage? The way a mineral breaks in straight lines; The way a mineral breaks in straight lines;

a regular pattern that can be determineda regular pattern that can be determined


True or False: The faster the magma True or False: The faster the magma cools, the larger the mineral crystals will cools, the larger the mineral crystals will form.form.

False; smaller crystals would formFalse; smaller crystals would form


What does it mean when we say a mineral What does it mean when we say a mineral always contains certain elements in always contains certain elements in definite proportions?definite proportions?

It has a definite chemical compositionIt has a definite chemical composition


Why is coal not a mineral?Why is coal not a mineral? It is made from the remains of plants and It is made from the remains of plants and

animalsanimals


True or false: An ore that is near the True or false: An ore that is near the surface is removed by strip mining?surface is removed by strip mining?

TrueTrue


Most minerals do not split apart evenly, Most minerals do not split apart evenly, instead they have a characteristic type of instead they have a characteristic type of what?what?

FractureFracture


A narrow channel or slab of a mineral that A narrow channel or slab of a mineral that is different from the surrounding rock is is different from the surrounding rock is called a what?called a what?

VeinVein


Magma that cools deep within the Earth Magma that cools deep within the Earth forms minerals with what type of crystals?forms minerals with what type of crystals?

LargeLarge


A solid mixture of two or metal is a what?A solid mixture of two or metal is a what? AlloyAlloy


How does halite form?How does halite form? From the evaporation of a water solutionFrom the evaporation of a water solution


Earthmoving equipment strips away soil to Earthmoving equipment strips away soil to expose ore in what type of mining?expose ore in what type of mining?

Strip miningStrip mining


What is the softest mineral on the Mohs What is the softest mineral on the Mohs hardness scale?hardness scale?

TalcTalc


Why are metals useful as tools?Why are metals useful as tools? Because they can be shaped easily, but Because they can be shaped easily, but

they are hardthey are hard


Why are cement, brick, steel, and glass Why are cement, brick, steel, and glass not considered minerals?not considered minerals?

Because they are man made (not naturally Because they are man made (not naturally occurring) occurring)


True or false: The process of prospecting True or false: The process of prospecting involves mixing an ore with other involves mixing an ore with other substances and heating the mixture to a substances and heating the mixture to a very high temperature.very high temperature.

False; smelting is the processFalse; smelting is the process


True or false: Iron is separated from True or false: Iron is separated from oxygen by cooling iron ore.oxygen by cooling iron ore.

F; heating not cooling separates themF; heating not cooling separates them


What is the repeating pattern of a What is the repeating pattern of a mineral’s particles called?mineral’s particles called?

A crystalA crystal


If you broke a mineral into tiny pieces, If you broke a mineral into tiny pieces, each piece would show what?each piece would show what?

The same crystal shapeThe same crystal shape


What is the term used to describe how a What is the term used to describe how a mineral reflects light from its surface?mineral reflects light from its surface?

LusterLuster


What is the hardest known mineral?What is the hardest known mineral? DiamondDiamond


When can minerals form on Earth’s When can minerals form on Earth’s surface?surface?

When solutions evaporateWhen solutions evaporate


Which type of mine often has a network of Which type of mine often has a network of tunnels that extend deep into the ground?tunnels that extend deep into the ground?

Shaft mineShaft mine


What is the color of a mineral’s powder What is the color of a mineral’s powder called?called?

StreakStreak


What is the term for a mineral that glows What is the term for a mineral that glows under ultraviolet light?under ultraviolet light?

FluorescenceFluorescence


How do minerals form deep inside Earth’s How do minerals form deep inside Earth’s crust?crust?

By the crystallization of melted materialsBy the crystallization of melted materials


What is a rock called that contains a metal What is a rock called that contains a metal or other economically useful mineral?or other economically useful mineral?

An oreAn ore


What type of mining involves digging a What type of mining involves digging a huge hole?huge hole?

Open pit miningOpen pit mining


True or false: A mineral with a hardness of True or false: A mineral with a hardness of 6 will scratch a mineral with a hardness of 6 will scratch a mineral with a hardness of more than 6.more than 6.

False; less than 6False; less than 6


True or false: The mineral quartz, which is True or false: The mineral quartz, which is found in sand, is used to make glass and found in sand, is used to make glass and electronic equipment.electronic equipment.

TrueTrue


What is a gemstone?What is a gemstone? A rare, hard, colorful mineral with a brilliant A rare, hard, colorful mineral with a brilliant

or glassy luster or glassy luster


What is a solid?What is a solid? A substance with a definite shape and A substance with a definite shape and

definite volumedefinite volume


What does it mean we say that a mineral What does it mean we say that a mineral must be naturally occurring?must be naturally occurring?

It forms by the process that shapes the It forms by the process that shapes the Earth; it is not man madeEarth; it is not man made


What are the six crystal systems?What are the six crystal systems? CubicCubic HexagonalHexagonal TetragonalTetragonal OrthorhombicOrthorhombic MonoclinicMonoclinic Triclinic Triclinic


How would we test to see if a mineral is How would we test to see if a mineral is chemically reactive?chemically reactive?

By dropping an acid like vinegar or By dropping an acid like vinegar or hydrochloric acid on it to see if it fizzleshydrochloric acid on it to see if it fizzles


What are the three ways that minerals What are the three ways that minerals form?form?

Crystallization of molten materialCrystallization of molten material Crystallization of hot water solutionsCrystallization of hot water solutions Crystallization by evaporation of solutionsCrystallization by evaporation of solutions


What are some of the special properties of What are some of the special properties of minerals?minerals?

FluorescenceFluorescence Chemical ReactivityChemical Reactivity Electrical PropertiesElectrical Properties RadioactivityRadioactivity Double ImageDouble Image


Why is color not the best way to identify a Why is color not the best way to identify a mineral?mineral?

Because minerals like quartz can come in Because minerals like quartz can come in a variety of colors, and some minerals are a variety of colors, and some minerals are the same color as other minerals.the same color as other minerals.


What is a mineral?What is a mineral? A solid, inorganic, crystalline solid, with a A solid, inorganic, crystalline solid, with a

definite chemical make updefinite chemical make up