Identifying Minerals
What is the least helpful way to identify minerals?
The least helpful way to identify minerals is color.
How do we identify rocks?
How they were made.
What mineral breaks into sheets and is grey/black?
Mica
Rocks are organic?
False
What is the main difference between minerals and rocks?
Rocks are made of many different minerals and sediments but minerals are made of one total substance.
What is luster?
Luster is the way you describe how light reflects of the mineral.
What rock is made from many bits and pieces of rock?
Sedimentary rock
what is a red mineral that is an irregular shape?
Feldspar
One type of mineral can come in many different color.
True
which one has only three types?
Rocks
What is streak?
The powder left behind after rubbing a mineral on a scratch pad.
Weathering and erosion.
What mineral is purple and is transparent?
Amethyst
Minerals can have rocks in them but rocks can't have minerals in them.
False
What is one thing in common that most minerals and rocks have in common?
They are both inorganic.
What do we use to identify hardness?
The MOHS scale.
How does a igneous rock change to a metamorphic rock?
By going through heat and pressure.
What is the hardest mineral?
Diamond.
Minerals are organic.
False
Can minerals be made from alive/once alive objects?
No.
What is the most helpful way to identify minerals?
Scratch/hardness.
What are the three types of rocks?
Sedimentary, metamorphic, and igneous.
What mineral is white, transparent and has a 7 on the MOHS scale?
Quarts
Minerals are inorganic
True
What do rocks have that minerals do not?
Rocks can have sediments and fossils but minerals can not.