day 2 diay habit Flashcards
1
Q
same dimensions in all directions
ex. spinel, garnet
A
equant
2
Q
equant with cross section
-ex. halite, galena, pyrite
A
blocky
3
Q
elongated and flattened in one direction
ex wollastonite, kyanite
A
bladed
4
Q
hair/threadlike
ex. serpentine, millerite
A
capillary / filliform
5
Q
plates, thick sheet appearance
A
platy / tabular
6
Q
needlelike ex. actinolite, sillimanite
A
acicular
7
Q
elongated with parallel faces in one direction
A
prismatic / columnar
8
Q
easily split into sheets
ex. biotite, muscovite
A
foliated / micaceous