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27 Mar-19:47:08 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Pete Richards)
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21 Mar-15:34:23 Re: the mizunaka collection - quartz (Am Mizunaka)
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21 Mar-04:36:10 Re: the mizunaka collection (Tobi)
21 Mar-04:11:47 Re: jim’s mineral collection (James Catmur)
20 Mar-23:34:15 The mizunaka collection - quartz (Am Mizunaka)
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May I get a read
  
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jim hill




Joined: 03 Sep 2017
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Location: Bessemer, PA

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PostPosted: Aug 30, 2020 20:12    Post subject: May I get a read  

41.7 grams. Submerged 15.8. Jumps between
-9 to-4. Hardness greater than beryal quartz



20200830_130754.jpg
 Dimensions: 4.5cm x 2 cm
 Description:
Smooth waxy surface
 Viewed:  3570 Time(s)

20200830_130754.jpg



20200830_194528.jpg
 Description:
 Viewed:  3564 Time(s)

20200830_194528.jpg



20200830_130841.jpg
 Description:
 Viewed:  3562 Time(s)

20200830_130841.jpg


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Volkmar Stingl




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PostPosted: Aug 31, 2020 01:06    Post subject: Re: May I get a read  

This is definitely quartz. Check the hardness again.
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James Catmur
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PostPosted: Aug 31, 2020 04:21    Post subject: Re: May I get a read  

Specific gravity (2.64) suggests it is Quartz

https://www.mineral-forum.com/message-board/viewtopic.php?p=38375#38375
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