*Minerals (ch.3) Flashcards
0
Q
What are the 5 Physical Properties of a mineral?
A
Hardness,
Color,
Crystal Shape,
Streak
1
Q
What are the 5 characteristics of a mineral? (DISCO)
A
Solid, Inorganic, Naturally Orcurring, Definite Chemical Compostion, Definite Crystalline Structure
2
Q
What is the MOHS Hardness Scale?
A
a scale which characterizes the scratch resistance of various minerals.
3
Q
What is the softest mineral?
A
Talc
4
Q
What is the hardest mineral?
A
Diamond
5
Q
Define luster?
A
a gentle sheen or soft glow
6
Q
Define Ore
A
minerals from which a whole, especially a metal, can be profitably mined or extracted.
7
Q
Define Gemstone
A
A precious or semiprecious stone.
