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What are Minerals?
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What can attract things that have iron in them?
Magnetite
The color of minerals may vary, but its streak is always the same?
yes
Can you scratch hardness minerals with a finger nail?
yes
What have earthy luster?
Talc and gypsum
On the Moh's scale, a mineral with a higher mineral can scratch another mineral with a lower or equal number.
yes
What minerals have copper, gold and silver?
Metallic luster
A diamond can't be scratch by any mineral except another diamond.
yes
What describes how minerials reflect light?
Luster
What can conduct electricity?
Quartz
Which minerals glow under a black light
calcite and fluorite
Look at the picture shown. Are they all quartz?
yes
A mineral can be in different colors?
yes
calcite is the most hard mineral?
no
What is used to measure the hardness?
The Moh's scale
What is hardness?
it's mineral`s ability to scratch another mineral.
What are minerals?
A mineral is any nonliving solid that has a cristal form.
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