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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Mar 23, 2023 08:25 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Dolomite and Calcite |
Locality: | Sainte-Clotilde-de-Châteauguay Quarry, Sainte-Clotilde-de-Châteauguay, Les Jardins-de-Napierville RCM, Montérégie, Québec, Canada |  |
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Dimensions: | 5.6 x 4.1 x 2.4 cm |
Description: |
Curved, pearly pink dolomite rhombs with several yellow calcite crystals. Several small transparent quartz crystals are present on the underside. |
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8897 Time(s) |

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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Mar 25, 2023 09:54 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Malachite after Azurite |
Locality: | Mount Painter, Arkaroola Wilderness Sanctuary, Northern Flinders Ranges, Flinders Ranges, South Australia, Australia |  |
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Dimensions: | 2.8 x 2.3 cm |
Description: |
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8716 Time(s) |

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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Mar 28, 2023 08:34 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Topaz |
Locality: | Agnus Dei Claim, Cameron Cone, Crystal Park, El Paso County, Colorado, USA |  |
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Dimensions: | 2.6 x 2.0 cm |
Description: |
An etched transparent crystal of sherry-colored topaz. |
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8568 Time(s) |

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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Mar 29, 2023 08:29 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Mesolite |
Locality: | Upper Ritter Quarry, Ritter, Grant County, Oregon, USA |  |
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Dimensions: | 2.5 x 2.0 cm |
Description: |
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8426 Time(s) |

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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Mar 31, 2023 09:11 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Siderite |
Locality: | Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal |  |
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Dimensions: | 12.3 x 5.1 x 3.1 cm |
Description: |
Rosettes of light brown siderite to 1.5 cm composed of stacked lenticular crystals with dark green clinochlore covering the underside. |
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8308 Time(s) |

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Mineral: | Siderite and Clinochlore |
Locality: | Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal |  |
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Dimensions: | 12.3 x 5.1 x 3.1 cm |
Description: |
Underside showing dark green clinochlore crystals. |
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8317 Time(s) |

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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Apr 06, 2023 11:00 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Autunite |
Locality: | Daybreak Mine, Mount Kit Carson, Spokane County, Washington, USA |  |
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Dimensions: | 5.1 x 3.5 cm |
Description: |
Fan-like clusters of bladed yellow green autunite crystals. |
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9861 Time(s) |

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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Apr 07, 2023 08:58 Post subject: Re: Collection of Michael Shaw |
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Salt brine minerals.
Mineral: | Trona |
Locality: | Owens Lake, Olancha, Owens Valley, Inyo County, California, USA |  |
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Dimensions: | 7.5 x 6.0 x 4.9 cm |
Description: |
An aggregate of pinkish-red trona crystals to 3.5 cm. Trona is a rare carbonate that is usually golden brown. This piece gets its color from the same haloalkaliphilic bacteria that cause the pink color in halite from Searles Lake and this location. Collected in 2022. |
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9795 Time(s) |

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Mineral: | Halite on Trona |
Locality: | Owens Lake, Olancha, Owens Valley, Inyo County, California, USA |  |
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Dimensions: | 7.2 x 6.6 x 2.9 cm |
Description: |
Pale pink cubic halite crystals with hoppered faces on a crystallized plate of darker pink trona. |
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9826 Time(s) |

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Dany Mabillard

Joined: 01 Jul 2019
Posts: 360
Location: Valais



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Posted: Apr 08, 2023 01:32 Post subject: Re: Collection of Michael Shaw |
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As usual beautiful additions to your collection. Have a nice day.
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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Apr 08, 2023 09:23 Post subject: Re: Collection of Michael Shaw |
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Dany Mabillard wrote: | As usual beautiful additions to your collection. Have a nice day. |
Thank you Dany.
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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Apr 12, 2023 08:52 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Stilbite (Subgroup) |
Locality: | Commune Diakon, Arrondissement Diakon, Bafoulabé Circle, Kayes Region, Mali |  |
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Dimensions: | 6.0 x 4.9 x 3.5 cm |
Description: |
Yellow stilbite crystals with greenish-black epidote. |
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Viewed: |
9613 Time(s) |

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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Apr 19, 2023 08:05 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Mimetite |
Locality: | Ojuela Mine, Mapimí, Municipio Mapimí, Durango, Mexico |  |
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Dimensions: | 10.2 x 5.1 x 3.5 cm |
Description: |
Aggregates of olive-green club-shaped crystals on druzy colorless calcite covering a brown gossan matrix. |
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9529 Time(s) |

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Mineral: | Mimetite |
Locality: | Ojuela Mine, Mapimí, Municipio Mapimí, Durango, Mexico |  |
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Dimensions: | 10.2 x 5.1 x 3.5 cm |
Description: |
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9532 Time(s) |

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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Apr 23, 2023 09:02 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Quartz |
Locality: | El Hammam Mine, El Hammam, Ait Mimoune, Khémisset Province, Rabat-Salé-Kénitra Region, Morocco |  |
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Dimensions: | 5.9 x 2.9 cm |
Description: |
A parallel growth of doubly-terminated quartz crystals with light pinkish color due to hematite inclusions. |
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9355 Time(s) |

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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Apr 25, 2023 08:10 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Enargite |
Locality: | Colquijirca mining district, Pasco Province, Pasco Department, Peru |  |
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Dimensions: | 6.2 x 3.8 x 2.9 cm |
Description: |
Prismatic metallic gray enargite crystals to 2.0 cm with pinacoid terminations and prominent striations. Minor pyrite on bottom. |
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9242 Time(s) |

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Michael Shaw
Site Admin

Joined: 30 Apr 2008
Posts: 2256
Location: Oklahoma



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Posted: Apr 27, 2023 08:39 Post subject: Re: Collection of Michael Shaw |
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Mineral: | Chalcopyrite |
Locality: | Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal |  |
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Dimensions: | 4.3 x 3.8 cm |
Description: |
Metallic brassy-yellow chalcopyrite crystal. |
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Viewed: |
9125 Time(s) |

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Mineral: | Chalcopyrite |
Locality: | Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal |  |
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Dimensions: | 4.3 x 3.8 cm |
Description: |
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Viewed: |
9153 Time(s) |

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Tobi
Site Admin

Joined: 07 Apr 2009
Posts: 4248
Location: Germany



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Posted: Apr 28, 2023 01:40 Post subject: Re: Collection of Michael Shaw |
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Quite large for a chalcopyrite!
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