Rocks & Minerals B/C 2017

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Re: Rocks & Minerals B/C 2017

Postby John Richardsim » July 24th, 2016, 7:33 pm

[img]https://c3.staticflickr.com/6/5602/15629683010_7329f0ac0b_b.jpg[/img]
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Re: Rocks & Minerals B/C 2017

Postby John Richardsim » July 24th, 2016, 7:51 pm

[img]http://i.imgur.com/eGR5lBr.png[/img]
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Re: Rocks & Minerals B/C 2017

Postby Magikarpmaster629 » July 24th, 2016, 7:53 pm

Here is my question:
[img]http://i.imgur.com/xA02dgS.jpg[/img]
1. ID
2. What number on Moh's hardness scale does this mineral represent?
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Re: Rocks & Minerals B/C 2017

Postby John Richardsim » July 28th, 2016, 3:03 pm

Here is my question:
[img]http://i.imgur.com/xA02dgS.jpg[/img]
1. ID
2. What number on Moh's hardness scale does this mineral represent?
Well, I accidentally saw the url of this one, but for the sake of keeping this going... 1. Talc
2. 10...nah jk it's 1
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Re: Rocks & Minerals B/C 2017

Postby Magikarpmaster629 » July 28th, 2016, 5:24 pm

Here is my question:
[img]http://i.imgur.com/xA02dgS.jpg[/img]
1. ID
2. What number on Moh's hardness scale does this mineral represent?
Well, I accidentally saw the url of this one, but for the sake of keeping this going... 1. Talc
2. 10...nah jk it's 1
Yep, go ahead.
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Re: Rocks & Minerals B/C 2017

Postby John Richardsim » July 28th, 2016, 6:56 pm

[img]https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Gemperidot.JPG/661px-Gemperidot.JPG[/img]
1. Identify the mineral.
2. What is the name given to gemstone-quality samples such as the one pictured?
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Re: Rocks & Minerals B/C 2017

Postby Unome » July 29th, 2016, 7:05 am

1. Corundum
2. Beryl
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Re: Rocks & Minerals B/C 2017

Postby John Richardsim » July 29th, 2016, 7:12 am

1. Corundum
2. Beryl
Nope.
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Re: Rocks & Minerals B/C 2017

Postby azuritemalachite » July 29th, 2016, 8:10 am

I'm pretty certain that this is peridot, but I can't seem to remember what mineral the variety comes from
1)epidote (guess) 2)peridot
azurite>malachite>chrysocolla
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Re: Rocks & Minerals B/C 2017

Postby John Richardsim » July 29th, 2016, 8:18 am

I'm pretty certain that this is peridot, but I can't seem to remember what mineral the variety comes from
1)epidote (guess) 2)peridot
Gemstone correct, but it's a variety of olivine.

Close enough. Your turn.
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