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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4108
Location: Germany
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 Posted: Apr 10, 2024 05:19 Post subject: Re: Collection of Michael Shaw |
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A really nice specimen, Michael. Nice colour, good contrast and such a beautiful tiny landscape of flawless pyromorphite crystals.
And it reminds me of classic pyromorphites from Germany or England.
Lovely!
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2070
Location: Oklahoma
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| Posted: Apr 10, 2024 08:08 Post subject: Re: Collection of Michael Shaw |
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| Tobi wrote: | A really nice specimen, Michael. Nice colour, good contrast and such a beautiful tiny landscape of flawless pyromorphite crystals.
And it reminds me of classic pyromorphites from Germany or England.
Lovely! |
Thank You Tobi.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2070
Location: Oklahoma
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| Posted: Apr 13, 2024 08:47 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Mimetite |
| Locality: | | Guatomo Mine (Hat Yai), Tham Thalu, Bannang Sata District, Yala Province, Thailand |  |
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| Dimensions: | 6.7 x 5.6 x 2.4 cm |
| Description: |
| Lustrous yellow-orange hexagonal mimetite crystals to 6 mm covering the top surface of a brown limonitic matrix. |
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574 Time(s) |
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| Mineral: | Mimetite |
| Locality: | | Guatomo Mine (Hat Yai), Tham Thalu, Bannang Sata District, Yala Province, Thailand | |
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| Dimensions: | 6.7 x 5.6 x 2.4 cm |
| Description: |
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| Viewed: |
572 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2070
Location: Oklahoma
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| Posted: Apr 18, 2024 10:23 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Siderite on Hematite |
| Locality: | | Sterling Mine, Antwerp, Jefferson County, New York, USA | |
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| Dimensions: | 9.1 x 7.4 x 4.0 cm |
| Description: |
| Sharp, rhombic crystals of rich honey-brown colored siderite measuring up to 5 mm covering the top of a reddish-black hematite matrix. The old iron mine dates to 1836 and was last worked in 1910. |
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430 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2070
Location: Oklahoma
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| Posted: Apr 23, 2024 07:31 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Strontianite |
| Locality: | | Dreislar Mine, Dreislar, Winterberg, Sauerland, North Rhine-Westphalia/Nordrhein-Westfalen, Germany | |
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| Dimensions: | 9.5 x 7.4 x 5.3 cm |
| Description: |
| Compact sprays of pale yellow strontianite on a matrix of bladed white barite. |
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321 Time(s) |
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| Mineral: | Strontianite |
| Locality: | | Dreislar Mine, Dreislar, Winterberg, Sauerland, North Rhine-Westphalia/Nordrhein-Westfalen, Germany | |
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| Dimensions: | 9.5 x 7.4 x 5.3 cm |
| Description: |
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320 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4108
Location: Germany
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| Posted: Apr 23, 2024 08:12 Post subject: Re: Collection of Michael Shaw |
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| Nice! Dreislar specimens of "just" baryte with chalcopyrite are really common, at least here on the German market. But there are not that many good pieces with strontianite, congratulations on a really good German classic!
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2070
Location: Oklahoma
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| Posted: Apr 23, 2024 09:12 Post subject: Re: Collection of Michael Shaw |
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| Tobi wrote: | | Nice! Dreislar specimens of "just" baryte with chalcopyrite are really common, at least here on the German market. But there are not that many good pieces with strontianite, congratulations on a really good German classic! |
Thank you, Tobi. Yes, it's not hard to find Dreislar mine specimens of chalcopyrite on baryte even here in the US, but this is the first piece I have seen with a combination of the baryte and strontianite. I was very pleased to find it.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2070
Location: Oklahoma
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| Posted: May 01, 2024 08:25 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Chrysocolla |
| Locality: | | Tenke-Fungurume area, Kolwezi District, Lualaba, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire) | |
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| Dimensions: | 5.4 x 2.8 x 2.3 cm |
| Description: |
| Sky blue chrysocolla pseudomorphing malachite which had previously replaced bladed crystals of azurite. Green malachite is scattered about and the entire specimen is coated with a druse of sparkling micro quartz crystals. |
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36 Time(s) |
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