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20 Jun-16:34:49 Azurite on volborthite from milpillas mine / mvm (minerals - virtual museum) collection (Jordi Fabre)
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18 Jun-16:52:19 The mizunaka collection - quartz (Am Mizunaka)
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16 Jun-16:25:26 The mizunaka collection - adularia (Am Mizunaka)
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15 Jun-14:09:31 Pyromorphite showcase (Forrestblyth)
14 Jun-23:48:04 Re: collection of volkmar stingl (Volkmar Stingl)
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14 Jun-16:13:52 Re: don lum collection (Don Lum)
14 Jun-16:06:28 The mizunaka collection - rhodochrosite (Am Mizunaka)
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12 Jun-10:27:55 Re: collection of volkmar stingl (Volkmar Stingl)

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Is this Hematite?
  
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Ricky hartzog




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PostPosted: Mar 14, 2020 12:06    Post subject: Is this Hematite?  
it has a red streak if sanded a metalic luster and non magnetic it is found as globs or perfect cubes or joining cubes

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Bob Morgan




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PostPosted: Mar 14, 2020 15:03    Post subject: Re: is this hematite  
This fits the description of limonite pseudomorphs of pyrite.
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Ricky hartzog




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PostPosted: Mar 14, 2020 16:17    Post subject: Re: Is this Hematite?  
Ok. I had also come to that conclusion, but didn't know so is it all limonite? I have found some of the normal looking limonite so these things are probably limonite concretions?
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PostPosted: Mar 23, 2020 13:27    Post subject: Re: Is this Hematite?  
If the streak is red, I‘d call them "hematite pseudomorphs after pyrite".
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Ricky hartzog




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PostPosted: Mar 23, 2020 14:00    Post subject: Re: Is this Hematite?  
It has a dark red streak
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