Term
|
Definition
[image]
Gray black streak
greasy
H 1-2
silver/ gray
metallic or earth
cleavage perfect {0001}
|
|
|
Term
|
Definition
[image]
Yellow
Transparent/ translucent
H 1.5-2.5
fracture uneven conchoidal
resinous |
|
|
Term
|
Definition
[image]
Yellow
H 1.5-2.5
translucent/transparent
resinous
fracture conchoidal/uneven |
|
|
Term
|
Definition
[image]
malleable
yellow
high specific gravity
fracture hackly
opaque
|
|
|
Term
|
Definition
[image]
metallic luster
fracture hacky
reddish on fresh surfaces
high spec. gravity
Ductile, malleable
|
|
|
Term
|
Definition
[image]
Lead gray to black
streak gray black
H 2.5-3
metallic luster
Fracture conchoidal
cleavage poor
|
|
|
Term
|
Definition
[image]
Brownish bronze fresh; purple/blue; black exposed
H 3
metallic luster
streak gray black |
|
|
Term
|
Definition
[image]
perfect cleavage {001}
H 2.5
bright metallic luster
silver grey color
grey black streak
high spec. gravity |
|
|
Term
|
Definition
[image]
H 3.5-4
streak white to yellow brown
luster nonmetallic to metallic
color colorless to black, commonly yellow to black
perfect cleavage
|
|
|
Term
|
Definition
[image]
H 3.5-4
streak white to yellow brown
luster nonmetallic to metallic
color colorless to black, commonly yellow to black
perfect cleavage |
|
|
Term
|
Definition
[image]
brass yellow to bronze or iridescent tarnish
streak green black
H 3.5 to 4
|
|
|
Term
|
Definition
[image]
slightly magnetic
H 4
luster metallic
brownish bronze
streak black
POLYMORPH
[image]
|
|
|
Term
Cinnabar, HgS
metacinnabar
hepatic cinnabar |
|
Definition
[image]
red to red brown
H 2.5
red streak
perfect cleavage
OR
metallic luster, grey black
or brown with brownish streak |
|
|
Term
|
Definition
[image]
H 1.5-2
resinous luster
red to orange red
orange red streak
good cleavage
associated w/ orpiment |
|
|
Term
|
Definition
[image]
yellow
perfect cleavage
H 1.5-2
resinous luster to pearly on cleavage
streak pale yellow |
|
|
Term
|
Definition
[image]
lead gray to black (color and streak)
perfect cleavage
striated
luster metallic
H 2
|
|
|
Term
|
Definition
[image]
brass yellow
fracture conchoidal
metallic luster
H 6-6.5
streak greenish to brownish black
|
|
|
Term
|
Definition
[image][image]
pale bronze yellow to white to darker tarnish
H 6-6.5
metallic luster
streak gray black
|
|
|
Term
|
Definition
[image]
H 1-1.5
greasy
lead gray color
gray black streak
flexible
perfect cleavage
|
|
|
Term
|
Definition
[image]
silver-white
black streak
H 5.5-6
metallic luster
poor cleavage
|
|
|
