fucking rocks Flashcards
1
Q
Covellite
A
CuS
2
Q
Chalcopyrite
A
CuFeS2
3
Q
Pyrrhotite
A
(Fe(1-X)S)
4
Q
Pyrite
A
FeS2
5
Q
Marcasite
A
FeS2
6
Q
Arsenopyrite
A
FeAsS
7
Q
Chalcosite
A
Cu2S
8
Q
Hematite
A
Fe2O3
9
Q
Corundum
A
Al2O3
10
Q
Bauxite
A
complex of aluminous hydroxides
11
Q
Ilmenite
A
FeTiO3
12
Q
Magnetite
A
Fe3O4
13
Q
Rutile
A
TiO2
14
Q
Chromite
A
FeCr2O4
15
Q
Goethite
A
FeO(OH))
16
Q
Pentlandite
A
(Fe, Ni)9S8
17
Q
What looks like a peacock
A
covellite
18
Q
What has a greenish brown streak and looks like cheap gold spraypaint
A
Chalcopyrite
19
Q
What is the hardness of covellite
A
1.5 - 2
20
Q
what is the streak of chalcopyrite
A
greenish
21
Q
what is the colour of pyrrhotite
A
bronzish
22
Q
What is the hardness if pyrrhotite
A
low hardness
23
Q
What is the streak of pyrite
A
greenish black
24
Q
What is described as fools gold
A
pyrite
25
What is the habit of pyrite
cubic
26
What is the crystal that looks like a metallic fishscale
marcasite
27
What crystal looks like pyrite but darker
arsenopyrite
28
What is the specific gravity of arsenopyrite
high specific gravity
29
What is the hardness of chalcosite
very soft
30
What is the tarnish that may be in chalcosite
purplish
31
What is the rock that has a greenish streak, is massive and may be a bit purple
Chalcosite
32
What rock looks "lavaish"
Hematite
33
What is the streak of hematite
red
34
What colour is hematite
black to red with maybe a but of steel grey
35
what is special about hematite
magnetic dusk
36
What is the hardness of corundum
9
37
What is the shape that corundum takes and why
hexagons because it had a trigonal crystal system
38
What crystal is gonna be hexagon
corundum
39
What does bauxite look like
reddish orange rock with spots
40
What is the hardness of 1-3
bauzite
41
What streak is ilmenite
black
42
What is special about ilmenite
It is weakly magnetic meaning that a magnet will skip when dragged across it
43
What is magnetites streak
black
44
What is magnetites habit
either cubis or massive
45
What is rutiles lustre
submetallic to adamentine
46
What are the ways rutile might show up
Weird tabular looking things kinda purply red, might be clear rock with gold wires in it, might be a dark red rock with orangey lines (most likely???????)
47
What is the streak of chromite
dark brown
48
What is the lustre of chromite
metallic to submetallic
49
What would you describe chromite as
darker rock with a bit of lustre
50
What is the colour appearance or goethite
dark rock (black) with some orange shit on it
51
What is the streak of goethite
ORANGE mf
52
What is the streak of pentlandite
light bronze or brown
53
What is the general appearance of pentlandite
darker grey rock with some goldish or silver shimmer shit on it
54
Is pentlandite magnetic
nope
