Lab 1 Identification Flashcards
(8 cards)
1
Q
Luster
A
Metallic or nonmetallic (dull, sub metallic, vitreous(crystal), pearly, silky, waxy, adamantine(glass), resinous, greasy)
2
Q
Hardness
A
2.5 fingernails
3-5.5 penny NOT glass
5.5 or higher scratches glass
3
Q
Cleavage
A
1dir
2@90
2@60/120
3@90(cubic)
3!=90 (rombic)
4 or more
4
Q
Fracture
A
Uneven, conchoidal, splintery, hackly
5
Q
Color
A
Visual color
6
Q
Streak
A
If H<5.5 use streak plate and check color.
Else no streak
7
Q
Diaphaneity
A
Transparent(light)
Translucent(partial light)
Opaque(no light)
8
Q
Ensity
A
Light
Average
Heavy
