(10)

Question 1

used for opaque minerals (and other materials, e.g.. ceramics) to determine the paragenetic relationships between different mineral phases and their identification

Answer 1

Reflected Light Microscopy

Question 2

using the features of easily identifiable minerals to constrain the identity of associated unknown minerals

Answer 2

Reflected Light Microscopy

Question 3

how bright the mineral is in PPL

Answer 3

Reflectivity

Question 4

the way the mineral changes brightness in PPL as you rotate the stage

Answer 4

Bireflectance

Question 5

another term for bireflectance

Answer 5

reflection pleochroism

Question 6

changes in mineral color and intensity under crossed polars as you rotate the stage.

Answer 6

Anisotropy

Question 7

glittery faint space nebulalike colours you within a mineral under crossed polars.

Answer 7

Internal reflections

Question 8

seen in polished surfaces in reflected light as dark lines and straight sided pits.

Answer 8

Cleavage

Question 9

the softer the mineral, the more indented the mineral is

Answer 9

Hardness