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28 Mar-09:37:50 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-19:47:08 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Pete Richards)
27 Mar-16:15:44 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-15:18:59 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Alfredo)
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22 Mar-08:32:28 Re: collection of michael shaw (Michael Shaw)
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21 Mar-15:34:23 Re: the mizunaka collection - quartz (Am Mizunaka)
21 Mar-14:35:08 Re: jim’s mineral collection (Jim Wilkinson)
21 Mar-14:15:36 The 4th phoenix heritage mineral show (phms) hosted by mineralogical society of arizona (m (Chris Whitney-smith)
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20 Mar-18:13:16 Re: jim’s mineral collection (Jim Wilkinson)

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Help how do I clean anhydrite?
  
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Greg Lilly




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PostPosted: Apr 28, 2018 23:47    Post subject: Help how do I clean anhydrite?  

I recently obtained some crystals of Anhydrite from Naica Mexico which are in need of a good clean. They appear to have a good color and luster under the clay (?). I have tried one in an ultrasonic cleaner with little improvement, can I use super iron out in them?
Thanks
Greg



F700AB18-E300-4F69-95B5-3F620FFD8C07.jpeg
 Mineral: Anhydrite
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alfredo
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PostPosted: Apr 29, 2018 08:04    Post subject: Re: Help how do I clean anhydrite?  

Anhydrite (unless it's cracked) is pretty tough stuff, so you might try a high-pressure water gun.
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Greg Lilly




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PostPosted: Apr 29, 2018 18:40    Post subject: Re: Help how do I clean anhydrite?  

Thanks Alfredo,
A vast improvement, I haven’t cleaned around the join of the 2 crystals too much for fear of blowing them apart,
Greg



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