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Author Question: Describe the Mohs hardness scale and list, in increasing order of hardness, the minerals of the Mohs ... (Read 129 times)

Zulu123

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on: Jul 15, 2018

Describe the Mohs hardness scale and list, in increasing order of hardness, the minerals of the Mohs
  hardness scale. What will be an ideal response?



Question 2

What is the chemical structure of all silicate minerals, and why are silicate minerals so important? What will be an ideal response?


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meow1234

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Reply #1 on: Jul 15, 2018
Answer to Question 1

The Mohs hardness scale measures a mineral's resistance to abrasion and is controlled mostly by its
internal structure. The minerals of the scale from softest to hardest are: talc, gypsum, calcite, fluorite,
apatite, orthoclase/feldspar, quartz, topaz, corundum, and diamond.



Answer to Question 2

All silicate minerals contain silica, which is made of one silicon and oxygen. Silicate minerals include
about one-third of all minerals; together they make up 95 of Earth's crust.



Zulu123

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Reply 2 on: Jul 15, 2018
Thanks for the timely response, appreciate it

yeungji

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Reply 3 on: Yesterday
Excellent

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