Silicate Structure and Cleavage Flashcards
1
Q
Single tetrahedra has ___ cleavage.
A
No cleavage.
2
Q
Olivine has a ____ silicate structure and ____ cleavage
A
Single tetrahedra, no cleavage.
3
Q
Pyroxene group (augite) minerals have ___ of cleavage and ___ silicate structure.
A
Two planes, single chain.
4
Q
Amphibole group (hornblende) minerals have ___ of cleavage and ___ silicate structure.
A
Two planes, double chain.
5
Q
Micas (biotite and muscovite) have ___ of cleavage and ___ silicate structure.
A
One plane, sheets of,.
6
Q
Feldspars (potassium and plagioclase) have ___ of cleavage and ___ silicate structure.
A
Two planes, 3D framework.
7
Q
Quartz minerals have ___ of cleavage and ___ silicate structure.
A
No planes, 3D framework.
8
Q
Sheets of cleavage = ___ silicate structure
A
One plane
