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Tobi
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Joined: 07 Apr 2009
Posts: 4187
Location: Germany
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 Posted: Oct 12, 2024 05:18 Post subject: Re: Collection of Michael Shaw |
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| A very beautiful opal, Michael. I am a fan of precious Australian opal since childhood, this was one of the minerals that fascinated me from the beginning. And it took me long as a serious collector to find one I like AND I can afford. And that opal that became one of my most beloved pieces is like yours from the Quilpie area :-)
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Michael Shaw
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Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Oct 12, 2024 20:32 Post subject: Re: Collection of Michael Shaw |
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| Tobi wrote: | | A very beautiful opal, Michael. I am a fan of precious Australian opal since childhood, this was one of the minerals that fascinated me from the beginning. And it took me long as a serious collector to find one I like AND I can afford. And that opal that became one of my most beloved pieces is like yours from the Quilpie area :-) |
Thank you, Tobi. The play of colors in Quilpie opal is amazing.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Oct 14, 2024 06:17 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Marcasite |
| Locality: | | Linwood Mine, Buffalo, Scott County, Iowa, USA |  |
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| Dimensions: | 4.0 x 0.5 cm |
| Description: |
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3354 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Oct 18, 2024 08:29 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Vivianite |
| Locality: | | Huanuni Mine, Huanuni, Dalence Province, Oruro Department, Bolivia | |
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| Dimensions: | 5.2 x 3.6 x 2.5 cm |
| Description: |
| Lustrous transparent green bladed vivianite crystals to 3.2 cm in length resting on a matrix of siderite and pyrite. |
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3160 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Oct 22, 2024 08:21 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Azurite |
| Locality: | | Apex Mine, Jarvis Peak, Beaver Dam Mountains, Tutsagubet District, Washington County, Utah, USA | |
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| Dimensions: | 6.6 x 4.9 x 3.7 cm |
| Description: |
| Bright blue botryoidal azurite covering the inside of an open vug with sparkling green microcrystalline malachite along one end and the lower part of the specimen. |
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2980 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Oct 31, 2024 12:39 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Boulangerite |
| Locality: | | Ramsbeck, Bestwig, Distrito Hochsauerland, Arnsberg, North Rhine-Westphalia/Nordrhein-Westfalen, Germany | |
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| Dimensions: | 9.2 x 4.7 x 2.9 cm |
| Description: |
| Metallic needles of boulangerite covering the top of a quartz matrix with small quartz crystals. |
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| Viewed: |
2809 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Nov 04, 2024 09:32 Post subject: Re: Collection of Michael Shaw - Dioptase |
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| Mineral: | Dioptase |
| Locality: | | Mindouli, Mindouli District, Pool Department, Republic of the Congo | |
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| Dimensions: | 5.2 x 3.1 x 2.3 cm |
| Description: |
| Lustrous emerald green dioptase crystals to 1.2 cm covering the top of a dioptase matrix. |
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2684 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Nov 07, 2024 11:19 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Epidote on Quartz |
| Locality: | | Hakkâri District, Hakkâri Province, Turkey | |
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| Dimensions: | 6.0 x 3.9 x 2.9 cm |
| Description: |
| Glassy quartz crystals covered with microcrystals of dark green epidote. |
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| Viewed: |
2527 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Nov 09, 2024 09:41 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Siegenite |
| Locality: | | Buick Mine, Bixby, Viburnum Trend District, Iron County, Missouri, USA | |
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| Dimensions: | 4.4 x 3.1 x 2.3 cm |
| Description: |
| Dodecahedral metallic silver siegenite crystals to 0.5 cm associated with cube-octahedral galena, rhombic dolomite and chalcopyrite covering a silicified breccia matrix. |
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2402 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Nov 13, 2024 09:41 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite |
| Locality: | | Leiping, Guiyang, Chenzhou Prefecture, Hunan Province, China | |
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| Dimensions: | 6.0 x 5.5 x 4.2 cm |
| Description: |
| A cluster of stacked pale yellow to gray flattened low-angle rhombic calcite crystals. The rhombic crystals have overgrown pale pink scalenohedral calcite crystals. Ex. Rock Currier Collection # 8470, acquired in 2012. |
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2167 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Nov 16, 2024 09:35 Post subject: Re: Collection of Michael Shaw - Siderite |
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| Mineral: | Siderite |
| Locality: | | Allevard, Haut-Grésivaudan, Grenoble, Isère, Auvergne-Rhône-Alpes, France | |
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| Dimensions: | 8.0 x 6.6 x 4.0 cm |
| Description: |
| Classic specimen of sharp greenish-brown siderite rhombs to 3.1 cm from the historic French location. |
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| Viewed: |
1914 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Nov 20, 2024 09:42 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Natrolite |
| Locality: | | Robertson Pit, Dayton, Mason County, Washington, USA | |
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| Dimensions: | 4.4 x 3.5 x 3.6 cm |
| Description: |
| A spray of colorless natrolite crystals and small white analcime crystals on a small piece of brown pillow basalt from the Crescent Formation. |
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| Viewed: |
1583 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Nov 23, 2024 08:31 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Pyrite |
| Locality: | | Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA | |
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| Dimensions: | 5.9 x 4.8 x 2.3 cm |
| Description: |
| Brassy epimorphs of pyrite replacing anhydrite crystals associated with a couple of calcite crystals. The calcite shows bright purple fluorescence with MW UV. |
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| Viewed: |
1405 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Nov 26, 2024 08:59 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Fluorite |
| Locality: | | Lady Annabella Mine, Eastgate, Weardale, North Pennines Orefield, County Durham, England / United Kingdom | |
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| Dimensions: | 7.7 x 6.5 x 4.6 cm |
| Description: |
| Dark purple fluorite cubes to 2.0 cm on a sulfide and quartz matrix. Several crystals exhibit penetration twinning. Mined from the Purple Rain Pocket in 2021. |
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1129 Time(s) |
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| Mineral: | Fluorite |
| Locality: | | Lady Annabella Mine, Eastgate, Weardale, North Pennines Orefield, County Durham, England / United Kingdom | |
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| Dimensions: | 7.7 x 6.5 x 4.6 cm |
| Description: |
| Fluorite showing intense purple/blue fluorescence under MW UV. |
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| Viewed: |
1121 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Nov 29, 2024 10:12 Post subject: Re: Collection of Michael Shaw - Crocoite |
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| Mineral: | Crocoite |
| Locality: | | Berezovskoe Mines, Uspenskaya Mountain, Berezovskii, Ekaterinburg (Sverdlovsk), Sverdlovsk Oblast, Ural, Russia | |
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| Dimensions: | 9.6 x 6.5 x 3.9 cm |
| Description: |
| Prismatic reddish-orange crocoite crystals to 7 mm covering the top surface of an altered granite matrix from the Type Locality. |
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| Viewed: |
903 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Dec 02, 2024 10:08 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Baryte |
| Locality: | | Wanlockhead, Dumfries and Galloway, Kirkcudbrightshire, Scotland / United Kingdom | |
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| Dimensions: | 7.4 x 4.7 x 4.0 cm |
| Description: |
| Sharp spear-shaped white barite crystals on a colorless quartz matrix. |
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| Viewed: |
637 Time(s) |
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| Mineral: | Baryte on Quartz |
| Locality: | | Wanlockhead, Dumfries and Galloway, Kirkcudbrightshire, Scotland / United Kingdom | |
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| Dimensions: | 7.4 x 4.7 x 4.0 cm |
| Description: |
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| Viewed: |
625 Time(s) |
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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1411
Location: Cambridge
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| Posted: Dec 02, 2024 11:32 Post subject: Re: Collection of Michael Shaw |
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Are you sure it is from Wanlockhead? I have never seen anything like that from there.
Is this the same specimen?
https://www.mindat.org/photo-569248.html
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Dec 02, 2024 15:00 Post subject: Re: Collection of Michael Shaw |
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Hi James,
The barite was in Rock Currier's collection. Yes, it sure looks like the same specimen, just a slightly different angle. I was unaware that Rock uploaded it to Mindat. As for the location, I can only go by what was on the label.
Michael
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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1411
Location: Cambridge
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| Posted: Dec 03, 2024 04:45 Post subject: Re: Collection of Michael Shaw |
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Michael
You could ask on 'Where is it from' and see what is said. Hilton Mine might be a possibility
James
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2161
Location: Oklahoma
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| Posted: Dec 04, 2024 15:59 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Antigorite |
| Locality: | | Belvidere Mountain Quarries, Lowell & Eden, Orleans and Lamoille Counties, Vermont, USA | |
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| Dimensions: | 7.2 x 5.8 2.2 cm. |
| Description: |
| Splintery fibrous green antigorite var. picrolite with tranlucency on thin edges. |
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| Viewed: |
242 Time(s) |
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