Chapter 9 test Minerals and ores

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native mineral

A mineral with only one kind of atom

False

Any mineral that contains the element oxygen is an oxide mineral

True

At one time aluminum was more valuable than gold

Halides

Minerals more commonly known as salts , including table salt and road salt are called ____

risk

Mining is one way to exercise dominion over Gods creation, but we must be careful to maximize its benefits while minimizing its

Conchoidal

Obsidian a mineral of volcanic orig, beaks in smooth , curved surfaces, showing ______ fracture

native metals

The types of minerals that are most likely to be found in placer deposits are ____ minerals

mass

a carat is a unit of

Diamond Pipe

a deep vertical shaft of rock produced by volcanic activity in which diamonds are frequently found is called an

Mineralologist

a geologist who studies and identifies mineral samples is called an

Compound

a mineral composed of more than one chemical element would be classified as

Shape

a minerals crystal classification deals mostly with its

Streak

a more reliable identification property than simply a minerals color

mineral

a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition

The Mohs scale

a system used to determine the relative hardness of minerals

False

good and wise dominion produces only beneficial results

Cleavage

how mica can be broken into flat sheets

False

liquid water is considered a mineral

Silicate

most common groups of minerals on earth

oxygen , metals

oxides are compounds that consist of ______ and an other element, usually a _____

True

some minerals are too hard to leave a streak on a streak plate

Streak

the color of a mineral's powder

ore

the mineral cinnabar also called mercury sulfide is an important source or ___ , of mercury

accretion

the process by which a crystal grows is called

specific gravity

the ratio of the density of a specimen to the density of water at 4 degrees Celsius

Quartz

which of the following is Not a native mineral

Sea water

which of the following is a mixture

liquid water

which of the following is not a mineral

mining

which of the following methods is the most common for obtaining minerals and ores

Its streak

which of the following test would provide the best example of a minerals color

3, 6, 10

A diamond will scratch feldspar and feldspar will scratch calcite.which of the following gives the only possible hardness values for calcite, feldspar , and diamond in the correct order

Compound

A mineral composed of more than one chemical element would be classified as a _____ mineral

False

A mineral is a good resource only if its useful

Soft

A mineral rated as 1 on the Mohs scale is

True

Determining the density of a mineral sample requires finding its mass and volume

False

Diamond with a hardness reading of 10 is twice as hard as apatite, with a hardness of 5

True

Diamonds is composed of Carbon

sulfide

Fools Gold (also called pyrite) a mineral of iron and sulfur is classified as an

Compound mineral

Sulfur is to native mineral as quartz is to?

Luster

The amount and quality of light reflected from a minerals surface

Mixture

Two or more substances that are mixed together but not chemically combined

gas bubbles

When you conduct an acid test on a mineral sample, you are watching for

False

all minerals are composed of two or more elements

Silver

best conductor of electricity


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