Crystals
Minerals
Minerals Continued
Crystals Continued
Gem, Mineral, or Ore
100
What is an example of a crystal that we can eat?
-salt
-sugar
100
What are 2 examples of minerals?
talc, graphite, quartz, gold, pyrite, calcite, etc...
100
What are 2 examples of mineral uses
graphite, used in pencils and ball bearings
talc, used in baby powder
halite, used as salt
titanium and quartz, used in eyeglasses
gold, used in jewelry
100
What type of compound makes up the majority of Earth's crust?
Silicates
100
gold
mineral
200
How are crystals made?
from molten rock, magma, lava. As it cools and becomes hard making different shapes, sizes, and colors
200
Which one of these has a high luster and which one has NO luster
the first one has high luster and the second one has no luster
200
what are 2 industrial uses for diamonds
jewelry and abrasives such as saw blades
200
A durable, lightweight metal derived from minerals such as ilmenite and rutile is
Titanium
200
ruby
mineral, gem
300
What determines the size of a crystal?
The rate at which the cooling of the magma/lava occurs.
300
What is Luster?
it describes an objects shine, if something has high luster=VERY shiny
300
What is the name of the scale used to measure the hardness of a mineral
Mohs Scale
300
Most minerals are made of what 2 elements along with other metal ions?
Silicon and oxygen
300
hematite
mineral, ore
400
What size of crystals form from rapid cooling of magma?
small
400
What does synthetic mean?
substances that are man made
400
the color of powder a mineral leaves when rubbed over a piece of tile
Streak
400
Valuable, rare, and beautiful minerals
Gemstones
400
quartz
mineral
500
What is the definition of a crystal?
solid with the atoms arranged in a repeating pattern
500
What is a mineral?
-a naturally occurring inorganic solid with a definite composition and a repeating orderly arrangement of atoms.
500
Name 4 properties used to tell minerals apart
-color
-hardness
-luster
-streak
-fracture/ cleavage
500
List the 5 characteristics that all minerals share?
1. Naturally occurring
2. Inorganic
3. Solid
4. Definite Chemical composition
5. Repeating pattern/arrangement of atoms
500
Magma
None