Minerals Flashcards

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1
Q

Naturally occurring chemical elements

Inorganic compound

Homogeneous solid

Definite chemical composition

Organized internal structure

A

MINERALS

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2
Q

PHYSICAL PROPERTIES OF MINERALS

A

• Color and Streak
• Hardness
• Cleavage and Fracture
• Luster
• Habit

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3
Q

Enumerate the different mineral groups

A

SILICATES
OXIDES
SULFIDES
SULFATES
NATIVE ELEMENTS
HALIDES
CARBONATES
PHOSPHATES

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4
Q

PHYSICAL PROPERTIES OF MINERALS

-most obvious property of a mineral
-it can be unreliable because of the presence of impurities and imperfections

A

Color

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5
Q

PHYSICAL PROPERTIES OF MINERALS

-color of a mineral in the powder form
-more reliable than color

A

Streak

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6
Q

Mohs Hardness Scale is developed by…?

A

Friedrich Mohs

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7
Q

PHYSICAL PROPERTIES OF MINERALS

  • where a smooth break results to flat crystal face
A

Cleavage

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8
Q

PHYSICAL PROPERTIES OF MINERALS

-refers to rough or irregular surfaces along which the mineral breaks randomly

A

Fracture

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9
Q

PHYSICAL PROPERTIES OF MINERALS

-specifies how much of the mineral reflects light

A

Luster

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10
Q

PHYSICAL PROPERTIES OF MINERALS

  • term used to describe general shape of a crystal.
A

Habit

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11
Q

PHYSICAL PROPERTIES OF MINERALS

  • what mineral is the softest?
A

Talc

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12
Q

PHYSICAL PROPERTIES OF MINERALS

-what mineral is the hardest?

A

Diamond

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13
Q

PHYSICAL PROPERTIES OF MINERALS

-cleavage in one direction

A

Muscovite

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14
Q

PHYSICAL PROPERTIES OF MINERALS

-cleavage in two directions

A

Feldspar

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15
Q

PHYSICAL PROPERTIES OF MINERALS

-cleavage in three directions

A

Halite

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16
Q

PHYSICAL PROPERTIES OF MINERALS

-cleavage in four directions

A

Calcite

17
Q

PHYSICAL PROPERTIES OF MINERALS

-minerals which are solid and reflect light.
-example of luster

A

Pyrite
Metallic Luster and Diamond
Adamantine

18
Q

PHYSICAL PROPERTIES OF MINERALS

-minerals which look like a broken glass.
-example of luster

A

Sphalerite
Vitreous

19
Q

DIFFERENT MINERAL GROUPS

-most commonly found group
-they have silicon and oxygen
-it includes quartz

A

SILICATE MINERALS

20
Q

DIFFERENT MINERAL GROUPS

-it has oxygen

A

Oxides

21
Q

DIFFERENT MINERAL GROUPS

-it has sulfur and S^2-

A

Sulfates

22
Q

DIFFERENT MINERAL GROUPS

-it has halogens

A

Halides

23
Q

DIFFERENT MINERAL GROUPS

-it has carbon
- CO3^2-

A

Carbonates

24
Q

DIFFERENT MINERAL GROUPS

-it has phosphorus
-PO4^3-

A

Phosphates

25
Q

DIFFERENT MINERAL GROUPS

-elements
-examples are gold, copper, silver

A

Native elements