GEOSPHERE Flashcards
-MINERALS -IGNEOUS ROCK VOLCANOES
1
Q
ELEMENTS IN CRUST
A
- Oxygen
- silicon
2
Q
elements in geosphere
A
- iron
- oxygen
3
Q
mineral property
LUSTRE
A
appearance of reflected light
* metallic vs non-metalic
4
Q
minerla property
streak
A
- color of powdered mineral on porcelain plate
5
Q
mineral property
cleavage
A
natural parting along planes of internal low bond strength
* The behaviour of a mineral that splits along flat surfaces controlled by its crystalline structure
6
Q
what mineral reacts with acid
A
calcite
7
Q
silicate tetrahesion
A
- silicon forms covalent bonds with 4 oxygen atoms
8
Q
olivine
A
- an isolated silicate tetrahedra
-ferro magnesian mineral - most abundant mineral in earths UPPER MANTEL
9
Q
a chain silicate
A
- pyroxene
- ferro magnesium mineral
- common in upper mantel and igneous rocks
10
Q
mica group
A
sheet silicate
common in igneous and metamorphic rocks
11
Q
FRAMEWORK SILICATES
A
- feldspar group
- most abundant mineral group in earths crust
12
Q
felspar group
quartz
A
- most abundant single mineral in earths crust
13
Q
non silicate minerals
A
- calcite
- halite
- gypsum/sulphates
- pyrite and galena/suphides
- hematite and magnetite/oxides
14
Q
4
what mineral make up is a perfect cube
A
halite
15
Q
what kind of mineral is
gypsum
A
sulphate
crystal lattice contains water
forms from evaporation of sea water
