Chapter 9 test Minerals and ores
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
