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Minerals – Ch 5. The mass of a substance to the volume is its ____. Answer. Density. Home. The ability of a mineral to resist scratching is its _____. Answer. Hardness. Home. Tendency of a mineral to break and form uneven, irregular surfaces. Answer. Fracture. Home. - PowerPoint PPT Presentation
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Minerals – Ch 5Minerals – Ch 5Terms Properties Groups Identification Random
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200 200 200 200 200
300 300 300 300 300
400 400 400 400 400
500 500 500 500 500
The mass of a substance to the volume is its ____
Answer
Density
Home
The ability of a mineral to resist scratching is its _____
Answer
Hardness
Home
Tendency of a mineral to break and form uneven, irregular surfaces
Answer
Fracture
Home
An inorganic solid with characteristic chemical
composition and physical properties
Answer
Mineral
Home
Fluorite and Halite belong to what mineral group?
Answer
Halides
Home
The way that light is reflected from a mineral’s surface
Answer
Home
Luster
True/False: Chatoyancy means “cat’s eye” and has
a silky appearance
Answer
True
Home
What is the color of a mineral in a powdered
form?
Answer
Streak
Home
What physical property is unreliable as an
identification clue for minerals?
Answer
Color
Home
What is the tendency of a mineral to split along specific planes, forming flat surfaces?
Answer
Cleavage
Home
A solid whose atoms, ions, or molecules are arranged in a regular,
repeating pattern
Answer
Crystal
Home
What are the 2 main groups of minerals?
Answer
Silicates or Non-silicates
Home
Minerals are usually _____, meaning they do
not contain carbon
Answer
Inorganic
Home
Mineral that does not contain silicon and oxygen
(SiO2)
Answer
Nonsilicate
Home
Mineral that contains silicon and oxygen
compounds
Answer
Silicate
Home
Answer
True or False:
A mineral that glows in ultraviolet light is phosphorescent
False (fluorescent)
Home
Oxides, Sulfides, Halides, Carbonates, and Sulfates are all major classes of
what group of minerals?
Answer
Nonsilicate Minerals
Home
Cubes, hexagonal prisms, and irregular masses are common
mineral structures for what group of
minerals?
Answer
Nonsilicate Minerals
Home
If an unstable atomic nuclei decays into stable nuclei, the mineral is ____.
Answer
Radioactive
Home
Answer
What are 3 physical properties mineralogists use to identify
minerals?
Color, streak, hardness, luster, cleavage, fracture,
density, crystal shape
Home
What class of minerals is the most common on Earth?
Answer
Silicates
Home
What is the softest mineral on the Moh’s hardness scale?
Answer
Talc
Home
True/False:
Quartz and Amethyst are examples of Nonsilicate
Minerals
Answer
False; they are Silicates!
Home
True/False:
Hematite is an example of a mineral in the Oxide group
Answer
True
Home
True/False:
Galena and Mica both have fracture
Answer
False
Home
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