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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5048
Location: Barcelona
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 Posted: Dec 02, 2010 10:59 Post subject: A mineralogical trip through the states of USA - Colorado |
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Colorado the "Centennial State"
Usually I tend to start the thread with some unsual specimen leaving room for other people to publish specimens, but in this case....;-)
| Description: |
Rhodochrosite with Tetrahedrite and Quartz
Corner Pocket, Watercourse Raise, Sweet Home Mine, Alma, Colorado, USA
Mined in September 1994
Specimen size: 4 × 2.8 × 2.5 cm.
Main crystal size: 1.5 × 1.5 cm.
Photo: Reference Specimens |
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60031 Time(s) |
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chris
Site Admin
Joined: 12 Jul 2007
Posts: 538
Location: Grenoble
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| Posted: Dec 02, 2010 11:29 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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As Jordi started with the Sweet Home Mine, I'm going to complete it with some specimens having both Rhodocrosite and sulfides and/or sulfosalts as associated minerals.
| Description: |
Rhodochrosite, Galena, Chalcopyrite (with Bornite coating), Quartz
Octahedron Pocket, Mini King Rise, Sweet Home Mine, Alma, Colorado, USA
Specimen size: 6.5 x 6 x 3 cm.
Main rhodo cluster: 2.5 cm.
Main Galena crystal : 1 cm
Photo: Richard Jackson |
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59944 Time(s) |
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| Description: |
Rhodochrosite, Tetrahedrite, Bornite, Quartz
04-11 Pocket, Tetrahedrite Vein,Sweet Home Mine, Alma, Colorado, USA
Specimen size: 12 x 8 x 5 cm.
Main rhodo crystal : 1.5 cm.
Main Tetra crystal : 3.5 cm.
Photo: Richard Jackson |
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59956 Time(s) |
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| Description: |
Rhodochrosite, Pyrite, Tetrahedrite, Chalcopyrite, Quartz
Steve's Pocket, Sweet Home Mine, Alma, Colorado, USA
Specimen size: - cm
Rhodo crystal : 1.5 cm
Pyrite "ball" : 1.5 cm
Photo: Richard Jackson |
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59968 Time(s) |
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Joaquin Montoro
Joined: 25 Nov 2010
Posts: 225
Location: Murcia (Spain)
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| Posted: Dec 02, 2010 13:45 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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My contribution...
| Description: |
| Chlorargyrite.- Princess Mine, Leadville, Lake Co. Colorado (USA) 9x5x4 cm. 572 grams. Historic piece of pure "hornsilver" from the famous mining district of Leadville. |
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59908 Time(s) |
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Joaquin Montoro
Joined: 25 Nov 2010
Posts: 225
Location: Murcia (Spain)
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| Posted: Dec 02, 2010 15:07 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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Some more...
| Description: |
| Chlorargyrite (var. Bromian Chlorargyrite).- Humboldt-Pocahontas Mine, Silvercliff, Custer Co. Colorado (USA) 7x4x4 cm. 326 grams. |
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59865 Time(s) |
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| Description: |
| Chlorargyrite.- Matchless Mine, Leadville, Lake Co. Colorado (USA) 8x5x4 cm. 446 grams of solid "hornsilver". |
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59908 Time(s) |
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| Description: |
| Bromargyrite (green silver).- Little Galesburg Mine, Leadville, Lake Co. Colorado (USA) 7x4x2 cm. 195 grams. |
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59909 Time(s) |
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rweaver
Joined: 13 Apr 2009
Posts: 259
Location: Ridgecrest, California
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| Posted: Dec 02, 2010 21:45 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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Former Collection of Geary Murdock. I call this the Buffalo.
| Description: |
Gold
Breckenridge, Summit Co., CO.
4.2cm x 2.5cm |
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59850 Time(s) |
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rweaver
Joined: 13 Apr 2009
Posts: 259
Location: Ridgecrest, California
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| Posted: Dec 02, 2010 21:48 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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Former collection of Anne Frazier. Mined late 1800's.
| Description: |
Silver
Smuggler Mine,
Aspen, CO.
2.8cm x 5.1cm |
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59847 Time(s) |
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rweaver
Joined: 13 Apr 2009
Posts: 259
Location: Ridgecrest, California
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| Posted: Dec 02, 2010 21:54 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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Ok one more Rhodo.
| Description: |
Rhodochrosite w/ Tetrahedrite
Millennium Pocket
Fluorite Raise
Sweet Home Mine
Alma, CO.
5.5cm x 3.8cm |
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59866 Time(s) |
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Joaquin Montoro
Joined: 25 Nov 2010
Posts: 225
Location: Murcia (Spain)
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| Posted: Dec 03, 2010 02:28 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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Another piece...
| Mineral: | Covellite |
| Locality: | | Summitville Mine, Summitville District, Rio Grande County, Colorado, USA |  |
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| Dimensions: | 4 x 7 x 10 cm |
| Description: |
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| Viewed: |
59827 Time(s) |
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Jesse Fisher
Joined: 18 Mar 2009
Posts: 639
Location: San Francisco
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| Posted: Dec 03, 2010 10:10 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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A couple of pegmatite minerals:
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| Topaz (5.5 cm tall), Spruce Grove, Tarryall Mountains, Park County, CO. |
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59766 Time(s) |
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| Description: |
| Microcline (Amazonite) with Smoky Quartz, Lake George, Park County, CO. Microcline shows "striped" white overgrowth (likely albite) of selected faces. 4x4x3 cm overall size. |
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59782 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2243
Location: Oklahoma
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| Posted: Dec 03, 2010 10:37 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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A few more from Colorado.
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| Hubnerite - Gladstone, San Juan County, Colorado 6.9 cm |
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59750 Time(s) |
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| Description: |
| Cerussite - Black Cloud Mine, Leadville, Colorado 6.1 cm |
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59778 Time(s) |
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| Description: |
| Ankerite - Empire Mine, Gilman, Eagle Co., Colorado 9.6 cm |
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59845 Time(s) |
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| Description: |
| Goethite ps. siderite - Sentinel Rock, El Paso Co., Colorado 5.6 cm |
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59819 Time(s) |
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| Description: |
| Sphalerite - Black Cloud Mine, Leadville, Colorado 8.2 cm |
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59746 Time(s) |
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| Description: |
| Milky quartz - Ohio Mine, Ouray, Colorado 7.1 cm |
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59804 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 2203
Location: USA
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| Posted: Dec 04, 2010 07:01 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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A few from Colorado.
| Description: |
Baryte
Sherman Mine, Leadville District, Lake Co., Colorado
Specimen size 14.4 x 5.5 cm. |
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59638 Time(s) |
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| Description: |
Quartz with Sphalerite and Minor Epidote
Idarado Mine, Telluride, Ouray District, San Miguel Co., Colorado
Specimen size 7 x 6.5 cm. |
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59627 Time(s) |
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| Description: |
Rhodochrosite
Cash Flow Pocket, Sweet Home Mine, Alma District, Park Co., Colorado
Specimen size 6 x 4.7 cm. |
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59663 Time(s) |
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| Description: |
Rhodochrosite with Fluorite
Murphy's Pocket, Sweet Home Mine, Alma District, Park Co., Colorado
Specimen size 5 x 6.5 cm. |
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59739 Time(s) |
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Joaquin Montoro
Joined: 25 Nov 2010
Posts: 225
Location: Murcia (Spain)
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| Posted: Dec 04, 2010 08:16 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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A pair of ugly but interesting and rich ore...
| Description: |
| Argentiferous Galena.- Monte Carlo Mine, Creede, Colorado (USA) 9x5x4 cm. |
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59618 Time(s) |
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| Description: |
| Chlorargyrite (var. Embolite) Little Galesburg Mine, Leadville, Lake Co. Colorado (USA) 7x5x3 cm. |
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59601 Time(s) |
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Jim Prentiss
Joined: 01 Dec 2009
Posts: 103
Location: Ohio
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| Posted: Dec 04, 2010 10:27 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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Hello Everyone,
Here is my one and only Colorado entry.
jimp
| Description: |
| Extremely small crystal of Zunyite from the type locality, at the Zuni Mine, Anvil Mountain, Silverton, Silverton District, San Juan County, Colorado. Field of view about 3/8" (0.95cm) |
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59556 Time(s) |
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am mizunaka
Joined: 09 Apr 2010
Posts: 2203
Location: USA
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| Posted: Dec 09, 2010 05:22 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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A neat little pyrite from Colorado.
| Description: |
Pyrite with Fluorite
Climax Mine, Climax District, Lake Co., Colorado
Specimen size 2 x 1.9 x 2.3 cm. |
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59200 Time(s) |
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Joaquin Montoro
Joined: 25 Nov 2010
Posts: 225
Location: Murcia (Spain)
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| Posted: Dec 09, 2010 06:03 Post subject: Re: A mineralogical trip through the states of USA - Colorado |
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One more...
| Description: |
| Chlorargyrite.- Humboldt Pocahontas Mine, near Silvercliff, Custer Co. Colorado (USA) 11x7x4 cm. 930 grams of pure "hornsilver". |
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59188 Time(s) |
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| Description: |
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59166 Time(s) |
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| Description: |
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| Viewed: |
59177 Time(s) |
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