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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2131
Location: Oklahoma
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 Posted: Aug 19, 2024 08:41 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Sphalerite |
| Locality: | | Casapalca, Chicla District, Huarochiri Province, Lima Department, Peru |  |
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| Dimensions: | 7.1 x 6.0 x 4.2 |
| Description: |
| Lustrous black twinned sphalerite crystals with an accent of white dolomite. |
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| Viewed: |
1023 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2131
Location: Oklahoma
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| Posted: Aug 21, 2024 15:25 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Azurite |
| Locality: | | Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, USA | |
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| Dimensions: | 6.2 x 4.8 x 2.1 cm |
| Description: |
| Dark blue azurite crystals to 2.8 cm partially altered to and with fibrous malachite. |
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| Viewed: |
902 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4162
Location: Germany
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| Posted: Aug 22, 2024 03:23 Post subject: Re: Collection of Michael Shaw |
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| Wonderful Bisbee piece, Michael!
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2131
Location: Oklahoma
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| Posted: Aug 23, 2024 08:29 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Barite |
| Locality: | | Mulhall, Logan County, Oklahoma, USA | |
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| Dimensions: | 14.0 x 8.5 x 6.5 cm |
| Description: |
| An iron-stained mudstone/siltstone concretion from the Wellington Formation, lined with colorless microcrystals of barite, quartz, and calcite. Self-collected about 6 miles from my home. |
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781 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2131
Location: Oklahoma
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| Posted: Aug 29, 2024 09:05 Post subject: Re: Collection of Michael Shaw - Quartz |
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| Mineral: | Quartz (variety Herkimer diamond) |
| Locality: | | Ace of Diamonds Mine, Middleville, Town of Newport, Herkimer County, New York, USA | |
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| Dimensions: | 7.8 x 5.2 x 5.1 cm |
| Description: |
| A large doubly-terminated transparent quartz crystal with inclusions of black anthraxolite. |
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| Viewed: |
608 Time(s) |
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| Mineral: | Quartz (variety prase) |
| Locality: | | Sinerechenskoe, Primorsky Krai, Russia | |
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| Dimensions: | 4.2 x 3.7 x 2.8 cm |
| Description: |
| Three divergent green crystals heavily included with hedenbergite on a small piece of andradite-rich matrix. |
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| Viewed: |
608 Time(s) |
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| Mineral: | Quartz |
| Locality: | | Camp Bird Mine, Camp Bird, San Juan Mountains, Ouray, Sneffels District, Ouray County, Colorado, USA | |
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| Dimensions: | 10.3 x 9.8 x 6.1 cm |
| Description: |
| A plate of quartz crystals to 5.5 cm with light iron-staining that imparts a yellowish color. |
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| Viewed: |
608 Time(s) |
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| Mineral: | Quartz |
| Locality: | | Bu Craa (Bou Craa), Laâyoune Province, Laâyoune-Boujdour-Sakia El Hamra Region, Morocco (Western Sahara) | |
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| Dimensions: | 8.3 x 8.0 x 6.4 cm |
| Description: |
| An ovate geode lined with sparkling sugary-textured quartz and some small stalactitic growths. |
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608 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2131
Location: Oklahoma
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| Posted: Sep 01, 2024 08:25 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite |
| Locality: | | Edgemont Uranium Mining District, Fall River County, South Dakota, USA | |
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| Dimensions: | 11.3 x 9.0 x 4.1 cm |
| Description: |
| A shallow cavity in brown travertine lined with pale yellow rhombic calcites to 1.7 cm partially overgrown with a second generation of smaller colorless calcites. |
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489 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2131
Location: Oklahoma
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| Posted: Sep 16, 2024 08:12 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Fluorite |
| Locality: | | Jaimina Mine, Obdulia vein, Caravia mining area, Trechorio, Carrales, Caravia, Comarca Oriente, Principality of Asturias (Asturias), Spain | |
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| Dimensions: | 7.5 x 5.5 x 4.2 cm |
| Description: |
Intergrown pale purple color-zoned fluorite crystals to 2.2 cm on edge.
The cube faces display prominent tetrahexahedral growth. |
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189 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2131
Location: Oklahoma
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| Posted: Sep 19, 2024 09:51 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Creedite |
| Locality: | | Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua, Mexico | |
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| Dimensions: | 7.5 x 5.6 x 2.5 cm |
| Description: |
| Glassy transparent lilac-colored creedite crystals forming divergent clusters covering the top of a creedite matrix. |
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46 Time(s) |
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