Non-Silicate Flashcards
(6 cards)
1
Q
how bright the mineral is in PPL
A
reflectivity
2
Q
the way a mineral changes changes brightness as you rotate the stage
A
bireflectence
3
Q
changes in mineral color and intensity under XPL as you rotate the stage
A
anisotropy
4
Q
dark lines and straight pits
A
cleavage
5
Q
the softer the mineral, the more indented
A
hardness
6
Q
kalb line
A
line goes to softer mineral as stage is raised
