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Earth And Life > Rock Forming > Flashcards

Rock Forming Flashcards

1
Q

-It is a naturally occurring, inorganic, homogeneous solid, with a definite chemical composition, and an ordered crystalline structure

A

Mineral

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2
Q

8 properties of minerals

A

Color
Streak
Luster
Crystal habit
Cleavage
Fracture
Hardness
Specific gravity

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3
Q

2 chemical properties of minerals

A

-solubility
-melting point

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4
Q

Mineral Groups Determined by Chemical Composition

A

Elements
Sulfides
Halides
Oxides and Hydroxides
Nitrates, carbonates, borates
Sulfates
Chromates, molybdate, tungstates
Phosphates, arsenates, vanadates
Silicates

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5
Q

Analysis of the Composition and Crystal Structure of Minerals

A

1.Wet chemical analysis- involves dissolving a mineral in an acid and analyzing the solution.

2.Spectroscopic techniques- involve quantitative analysis of mineral components depending on the light absorbance of the compounds.
• Atomic absorption spectroscopy (AAS)
• Inductively coupled plasma (ICP) spectroscopy
• X-ray fluorescence (XRF) spectroscopy
• X-ray diffraction spectroscopy (XRD)

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