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13 Jul-12:19:45 Lazurite (lapis lazuli) from afghanistan / #mvm (minerals - virtual museum) collection (Jordi Fabre)
12 Jul-23:04:14 Re: collection of volkmar stingl (Volkmar Stingl)
12 Jul-09:00:56 Re: the mim museum in beirut, lebanon (Mim Museum)
12 Jul-06:59:21 Re: collection from dany mabillard (Dany Mabillard)
12 Jul-00:49:24 Re: are there pyrite balls found in verzino? (Herwig)
12 Jul-00:25:14 Re: are there pyrite balls found in verzino? (Roger Warin)
12 Jul-00:08:38 Re: are there pyrite balls found in verzino? (Roger Warin)
11 Jul-17:36:07 The mizunaka collection - fluorite (Am Mizunaka)
11 Jul-14:14:25 Re: slice schalenblende (Mathias)
11 Jul-14:08:21 Re: czech rockhounding adventures – agates & amethysts (Stoner)
11 Jul-08:12:55 Czech rockhounding adventures – agates & amethysts (Stoner)
11 Jul-08:03:52 Re: are there pyrite balls found in verzino? (James Catmur)
11 Jul-02:33:28 Re: collection of michael shaw (Michael Shaw)
11 Jul-00:24:28 Re: collection of volkmar stingl (Volkmar Stingl)
10 Jul-13:46:07 Re: are there pyrite balls found in verzino? (Dany Mabillard)
10 Jul-13:45:53 Veszelyite from sanguozhuang, china / #mvm (minerals - virtual museum) collection (Jordi Fabre)
09 Jul-15:45:27 Re: caldbeck fell trip (Roy Starkey)
09 Jul-10:02:30 Re: caldbeck fell trip (Forrestblyth)
09 Jul-09:41:21 Caldbeck fell trip (Forrestblyth)
08 Jul-13:17:38 Re: stellerite specimens from piedra parada, mexico (John Betts)
07 Jul-15:58:21 The mizunaka collection - beryl (Am Mizunaka)
07 Jul-15:57:07 Milpillas' azure kiss (Silvia)
07 Jul-07:06:19 Re: collection of michael shaw (Michael Shaw)
07 Jul-03:36:36 Re: the mim museum in beirut, lebanon (Mim Museum)
06 Jul-14:50:22 Re: are there pyrite balls found in verzino? (Dany Mabillard)

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  Topic: Albite from Dauphine, France
Howard Heitner

Replies: 1
Views: 737

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: May 26, 2025 11:00   Subject: Re: Albite from Dauphine, France
Please ignore the earlier post with no picture, There was technical problem with the picture; you can find it now here:
https://www.mineral-forum.com/message-board/viewtopic.php?p=85266#85266
  Topic: Locality for Albite from the Dauphiné
Howard Heitner

Replies: 3
Views: 1091

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: May 26, 2025 10:54   Subject: Locality for Albite from the Dauphiné
This specimen of albite was purchased from the well known American dealer A. E. Foote in 1893. It was part of the Silas Bronson Library collection, The species is albite variety pericline, The local ...
  Topic: Albite from Dauphine, France
Howard Heitner

Replies: 1
Views: 737

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: May 26, 2025 10:22   Subject: Albite from Dauphine, France
This specimen of albite (pericline on label) is from an old American collection put together in 1893. (Silas Bronson Library) It was sold by the well-known dealer A. E. Foote. The locality is giv ...
  Topic: Orthoclase and phenakite Namibia
Howard Heitner

Replies: 3
Views: 2627

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 27, 2025 15:55   Subject: Re: Orthoclase and phenakite Namibia
The dealer was an American J. B. Nichols He was based in Sacramento, California,
  Topic: Orthoclase and phenakite Namibia
Howard Heitner

Replies: 3
Views: 2627

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 24, 2025 12:08   Subject: Orthoclase and phenakite Namibia
This is an older specimen, It came with a dealer label which says " Orthoclase var. Paradoxite, South West Africa ( penciled in is with phenacite' ) The dealer died in 1951. Any ideas about the ...
  Topic: Limonite after pyrite Pretoria Mine, Argent, South Africa?
Howard Heitner

Replies: 1
Views: 1886

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 22, 2025 14:40   Subject: Limonite after pyrite Pretoria Mine, Argent, South Africa?
Any ideas for a locality or mine for this pseudomorph of limonite after pyrite? I think may be a less common form because the crystals are pyritohedrons. I realize that many place names in South Afri ...
  Topic: Calcite pseudomorph after aragonite from Sicily
Howard Heitner

Replies: 2
Views: 1951

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 19, 2025 22:23   Subject: Calcite pseudomorph after aragonite from Sicily
This specimen came from the private collection of a calcite collector who donated it to a museum. It was later sold to me. It was labeled "calcite after aragonite " with locality Girgenti, ...
  Topic: Radiating quartz with ring of amethyst
Howard Heitner

Replies: 7
Views: 3377

PostForum: What is it? - Where is it from?   Posted: Feb 18, 2025 10:54   Subject: Re: Radiating quartz with ring of amethyst
Thank you.
  Topic: Radiating quartz with ring of amethyst
Howard Heitner

Replies: 7
Views: 3377

PostForum: What is it? - Where is it from?   Posted: Feb 17, 2025 15:18   Subject: Re: Radiating quartz with ring of amethyst
Sorry, no idea what country it is from.
  Topic: Radiating quartz with ring of amethyst
Howard Heitner

Replies: 7
Views: 3377

PostForum: What is it? - Where is it from?   Posted: Feb 17, 2025 09:34   Subject: Re: Radiating quartz with ring of amethyst
No other minerals present, all quartz, The same amethyst ring shows on the other side, so apparently goes all the way through.
  Topic: Radiating quartz with ring of amethyst
Howard Heitner

Replies: 7
Views: 3377

PostForum: What is it? - Where is it from?   Posted: Feb 16, 2025 20:04   Subject: Radiating quartz with ring of amethyst
Any ideas about locality for this specimen of radiating quartz with a ring of amethyst, The ring is about 2 cm in diameter.
  Topic: Unknown from Tsumeb
Howard Heitner

Replies: 11
Views: 4448

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Feb 02, 2025 11:51   Subject: Re: Unknown from Tsumeb
This is a closeup of the unknown mineral taken with my macro lens. I am not set up for microphotography. Does it help with identification in any way?
  Topic: Unknown from Tsumeb
Howard Heitner

Replies: 11
Views: 4448

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Jan 31, 2025 09:00   Subject: Re: Unknown from Tsumeb
Would not the presence or absence of zinc be sufficient to tell the difference? It is not a totally unknown mineral. It either has zinc (minrecordite) or not (dolomite)
  Topic: Unknown from Tsumeb
Howard Heitner

Replies: 11
Views: 4448

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Jan 30, 2025 19:54   Subject: Re: Unknown from Tsumeb
That has been suggested to me. Would an elemental analysis by EDX be enough.?
  Topic: Unknown from Tsumeb
Howard Heitner

Replies: 11
Views: 4448

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Jan 30, 2025 15:25   Subject: Re: Unknown from Tsumeb
I am very surprised that such a rare mineral or any other mineral was not on the label. The picture does not show the side where most of the dioptase crystals are, Looking closely at that side, it loo ...
 
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