Term
|
Definition
Streak- Colorless
Color- Dark green, brown, black
Hardness- 2.5-3
Cleavege- Perfect one direction
Luster- Non metalic
O/P- thin flakes, tough, flexible |
|
|
Term
|
Definition
Color- clear
Streak- white
Luster- NM
Hardness- 3
Cleavage- Perfect, rhombohedral, three directions
O/P- fizes with HCI, decent weight |
|
|
Term
|
Definition
Color- All types
Streak- white
Luster- N/M (vitreous)
Hardness- 4
Cleavage- perfect cleavage, 4 directions
O/P- octahedral cleavage, very fractured, color varies |
|
|
Term
|
Definition
Color- Silver/black
streak- black/gray
luster- M
Harndess- 2.5-3.5
Cleavage- perfect, cubic, three direction at right angels
O/P- cube form, real metalic, feels heavy |
|
|
Term
|
Definition
Color- Blackish/brown
Streak- none
luster- NM
Hardness- >5.5
Cleavage- None
O/P- translucinte, dodecahedron crystals |
|
|
Term
|
Definition
Color- Colorless
Streak- white
luster- None, sugary
Hardness- 2.5
Cleavage- perfect
O/P- cleavage, soft, scratches easy |
|
|
Term
|
Definition
Color- colorless
streak- white
luster- NM
Hardness- 2.5
cleavage- perfect, cubic
O/P- salty taste, like glass |
|
|
Term
|
Definition
color- black
streak- reddish
luster- sub metalic
Hardness- 5
cleavage- none
O/P- shinny specs, red streak |
|
|
Term
|
Definition
color- black
streak- white/grey, brittle when streaking
luster- NM (vitreous)
Hardness- 5-6
cleavage- yes, two directions
O/P- shiny black bladed crystals |
|
|
Term
|
Definition
color- white
streak- white
luster- NM
Hardness- <2.5
cleavage- none
O/P- glossy |
|
|
Term
|
Definition
color- white
streak- white
luster- NM
Hardness- <2.5
cleavage- none
O/P- chalky white, soft, greesy |
|
|
Term
|
Definition
color- Black
streak- black/brown
luster- submetalic, metalic
hardness- >5.5
cleavage- perfect
O/P- magnetic, glittery
|
|
|
Term
|
Definition
color- green/pale green
streak- green
luster- NM
hardness- 3.5-4
cleavage- poor, perfect one way, fair in second
O/P- fizzs with HCI, soft |
|
|
Term
|
Definition
color- brownish
streak- white
luster- NM
hardness- 2.5
cleavage- perfect
O/P- very breakable, like plastic |
|
|
Term
|
Definition
color- yellow, green, brown
streak- colorless, white
luster- NM (vitreous)
hardness- 6.5-7
cleavage- poor, very fractured
O/P- granular texture, very hard, conchoidal fracture |
|
|
Term
|
Definition
color- white/pinkish
streak- white
luster- NM (vitreous)
Hardness- 6-6.5
cleavage- perfect
O/P- many striations, cleavage |
|
|
Term
| K-Spar(Potassium feldspar) |
|
Definition
color- light brown, pinkish
streak- brown
luster- NM
hardness- >5
cleavage- good cleavage
O/P- very fractured, layered |
|
|
Term
|
Definition
color- gold
streak- brownish blackish
luster- Metalic
hardness- 6-6.5
cleavage- poor, conchoidal fracture
O/P- brittle, fools gold |
|
|
Term
|
Definition
color- clear, many colors
streak- none
luster- NM (vitreous)
hardness- 7
cleavage- none
O/P- conchoidal fracture, hexegonal prisms, glassy luster |
|
|
Term
|
Definition
color- bright yello
streak- yellow
luster- NM
hardness- 1.5-2.5
cleavage- none
O/P- egg smell, flamable |
|
|
Term
|
Definition
|
|
Term
| Hardness of Penny (copper wire) |
|
Definition
|
|
Term
| Hardness of Nail (iron, wire) |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
- "books" cleavage that splits in flat sheets
- one plane |
|
|
Term
|
Definition
- made of rectangular prisims
- 2 planes |
|
|
Term
|
Definition
| cleavage made of cubes and parts of cubes |
|
|
Term
|
Definition
cleavage made of rhombohedrons
- looks like a rhombus |
|
|
