Chapter 2 Flashcards
Minerals
1
Q
Minerals
A
Naturally occurring, inorganic, regular crystalline structures with narrowly defined chemical composition.
2
Q
Gemstones
A
Precious or semi-precious minerals or rocks used for decoration.
3
Q
Crystal Habit
A
Shape of minerals
4
Q
Lustre
A
Quality and intensity of light reflected from a mineral. Characterized as metallic and non-metallic.
5
Q
Cleavage and Fracture
A
Planes of breakage and and whether the surfaces are irregular.
6
Q
Types of Fracture
A
Irregular, splinter, conchoidal
7
Q
Bonding Forces
A
Covalent (strongest), Ionic, Metallic, Van der Waals (weakest)
8
Q
Rock Forming Minerals
A
Crystallize and grow as magma cools, most are silicates.
