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coal
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True false hardness is determined by how easily a mineral can be scratched?
True
Is it true that a mineral always contains certain elements in definite proportions?
yes, it is true!
What is true about diamonds?
Diamonds are the hardest mineral on earth.
A mineral that does not split apart evenly has the property of fracture?
True!
Why is coal not a true mineral?
== == Coal is very close to being a mineral but since it is organic (made from remains and organic substances) it does not qualify.
A mineral can not be?
That is not true. Mineral EXIST therefore they "are".
What is the powdered form of the mineral?
The powder indicates the true color of the mineral and is an aid in mineral identification. That can also be called a streak.
The true color of a mineral is called?
The color of the powdered form of a mineral is called
What valuable mineral starts with O?
Opal, (although it's not a true mineral).
Why is a rock a mineral?
This is true by definition.
Is the luster of a mineral described as metallic or nonmetallic True or false?
true
True false hardness is determined by how easily a mineral can be scratched?
True
Is it true or false mineral can scratch any mineral harder than itself?
false a mineral can not scratch any mineral harder than itself
Is coal a true mineral?
No, it is not because it is organic.
If your deficient in a certain mineral can you taste it?
It is true that if you are deficient in a certain mineral you may have an enhanced ability to taste that mineral, and it will taste good.
Is density a given mineral that can have varying densities?
Not exactly sure what you mean...do you mean "true or false: a given mineral can have varying densities?" If you do mean that, than the answer is true.
Is it true that foliated metamorphic rocks have mineral grains that are randomly placed?
It is not true. Metamorphic rock foliation is displayed as banding or layering due to mineral alignment.
