Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
mineral
|
a naturally occurring inorganic solid
|
|
|
magma
|
cools when it reaches the earth's surface
|
|
|
silicates
|
minerals that contain silicon
|
|
|
hardness
|
a measure of how easily a mineral con be scratched
|
|
|
streak
|
color of mineral
|
|
|
specific gravity
|
mineral weight
|
|
|
luster
|
way a mineral reflects
|
|
|
cleavage
|
minerals that break along its smooth surface
|
|
|
fracture
|
crack in a mineral
|
|
|
gems
|
minerals that are rare
|
|
|
crystal
|
in a solid which in the atoms are symmetrically arranged
|
