Mineral questions Flashcards
The way in which light reflects Off the surface in a metallic/non-metallic way
Luster
Tendency of a mineral to break along straight lines
Cleavage
Resistance to being scratched
Hardness
Color of powder left when scraped
Streak
The ability to glow in the presence of UV light
Fluorescence
Tendency of a mineral to break in fragments
Fracture
How “heavy” a mineral is or a ratio of it’s mass compared to its volume
Density
Who is made out of each other? Rocks made out of minerals or minerals made out of rocks?
Rocks made out of minerals
What’s Missouri’s state mineral? Why?
Galena- lots of lead
What’s Missouri’s state rock? Why?
Mozarkite- I have no idea
What’s Missouri’s state fossil? Why?
Crinoid- we used to have an ancient ocean
What causes the differences in minerals?
Pattern of repeating atoms
What’s the process for finding the hardness of a mineral on Mohs scale?
Fingernail–>Coin–>Glass–>Steel Nail