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
Minerals grow from the?
starts from the end side and will grow out
What are three ways minerals can form?
- hot water
- magma
- evaporation
What are the two mineral groups?
- silicate
- magma
Which mineral group is the most abundant in Earth’s crust?
silicates
What elements are Silicates made up of?
silicone
Nonsilicates do not contain what element?
silicon
What mineral is used to make glass?
quartz
cleavage
a sharp division,a split
fracture
the cracking or breaking of a hard object or material
