chapter 26.1 Flashcards
streak
a long thin line or mark of a different substance or color from its surroundings
mineral
a solid substance of natural occurrence
a mineral is?
- naturally occurring
- inorganic solid
- crystalline form
What are the two most abundant elements that make up Earth’s crust?
- oxygen
- silicon
what does inorganic mean?
A material that is non-living
What does the arrangement of an atom and the bonds between them reflect about a mineral?
- how it breaks
- how hard it is
- what type of crystal shape it has
What are all of the ways to identify minerals?
- luster
- streak
- hardness
- breakage
- atomic arrangement
- fracture
- crystal shape
What are the two types of luster?
- metallic
- non- metallic
How does metallic luster reflect light?
reflects easily like chrome on a car
How does nonmetallic luster reflect light?
Shines like glass
how do you perform a streak test?
unglazed porslen tile
What are the two types of breakage that can happen to minerals?
- cleavage
- fracture
What is the name of the scale to measure the hardness of a mineral?
Mohs Scale of Hardness
What is the number range on Mohs Scale of hardness?
1-10
How many different crystal shape systems are there?
6
