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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2263
Location: Oklahoma
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 Posted: Jul 16, 2025 09:38 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite |
| Locality: | | Montreal Mine, Montreal, Gogebic Iron Range, Iron County, Wisconsin, USA |  |
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| Dimensions: | 9.0 x 8.0 x 3.0 cm |
| Description: |
| Pale pink to gray aggregates of crystallized calcite with no points of attachment. |
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1329 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2263
Location: Oklahoma
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| Posted: Jul 20, 2025 14:32 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Barite |
| Locality: | | Baia Sprie, Maramures, Romania | |
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| Dimensions: | 12.0 x 9.0 x 3.0 cm |
| Description: |
| A group of delicate yellow to off-white bladed barite crystals. |
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| Viewed: |
1101 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2263
Location: Oklahoma
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| Posted: Jul 22, 2025 07:33 Post subject: Re: Collection of Michael Shaw - Chalcopyrite |
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| Mineral: | Chalcopyrite |
| Locality: | | Carmen Lira Mine, Castrovirreyna Prov., Huancavelica, Peru |  |
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| Dimensions: | 5.5 x 4.3 x 3.1 cm |
| Description: |
| Brassy yellow sphenoidal chalcopyrite crystals associated with brownish-black sphalerite from a relatively obscure Peruvian locality. Ex. Rock Currier Collection #4430. |
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909 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2263
Location: Oklahoma
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| Posted: Jul 28, 2025 13:39 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Copper |
| Locality: | | Laurium Mine, Laurium, Houghton County, Michigan, USA | |
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| Dimensions: | 7.0 x 4.1 x 2.0 cm |
| Description: |
| An elongated crystal of copper. |
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| Viewed: |
639 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2263
Location: Oklahoma
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| Posted: Jul 30, 2025 14:28 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Marcasite, Galena, Sphalerite |
| Locality: | | Ballard Mine, Baxter Springs, Picher Field, Tri-State District, Cherokee County, Kansas, USA | |
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| Dimensions: | 7.5 x 6.5 cm |
| Description: |
| Brassy, spear-shaped marcasite crystals partially covering crystals of galena with “ruby jack” sphalerite. |
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535 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2263
Location: Oklahoma
|
| Posted: Aug 05, 2025 08:36 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite on Tetrahedrite |
| Locality: | | Pachapaqui mining district, Pachapaqui, Aquia District, Bolognesi Province, Ancash Department, Peru | |
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| Dimensions: | 6.7 x 5.9 x 4.6 cm |
| Description: |
| Brilliant metallic black tetrahedrite crystals associated with pale pink calcite crystals on a matrix of cubic pyrite crystals. |
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306 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2263
Location: Oklahoma
|
| Posted: Aug 11, 2025 10:11 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Dioptase |
| Locality: | | Renéville, Kindanba District, Pool Department, Republic of the Congo | |
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| Dimensions: | 9.2 x 5.7 x 3.7 cm |
| Description: |
| Lustrous emerald green dioptase crystals to 7 mm in length scattered on a reddish-brown matrix with several small groups of botryoidal malachite. |
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21 Time(s) |
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