Answer:
Luster describes the reflection of light off a mineral's surface. Mineralogists have special terms to describe luster. Minerals that are opaque and shiny, such as pyrite, have a metallic luster.
Step-by-step explanation:
1/8 (Decimal: 0.125)
30 Degress
368
Answer:9
Step-by-step explanation:(h-k)(3)=9 trust me