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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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 Posted: Jan 11, 2018 10:06 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Fluorite |
| Locality: | | Spar Mountain Area, Cave-in-Rock, Cave-in-Rock Sub-District, Hardin County, Illinois, USA |  |
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| Dimensions: | 3.8 x 5.1 x 5.7 cm |
| Description: |
| Dark purple fluorite cubes with polysynthetic growth. This piece is from older surface workings on Spar Mountain known by locals as Iron Mountain. |
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23389 Time(s) |
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Philippe Durand
Joined: 10 May 2016
Posts: 653
Location: Normandie
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| Posted: Jan 11, 2018 12:46 Post subject: Re: Collection of Michael Shaw |
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| very nice fluorite !
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 11, 2018 13:28 Post subject: Re: Collection of Michael Shaw |
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| Philippe Durand wrote: | | very nice fluorite ! |
Thank you Phillipe. Nice to hear from you.
While not as famous as some of the other locations like the Minerva, Denton, and Annabel Lee mines, the Spar Mountain (Iron Mountain) location seems to have produced a few nice quality fluorites. I have never seen much of anything else from there however.
Michael
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Bob Harman
Joined: 06 Nov 2015
Posts: 765
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| Posted: Jan 11, 2018 14:20 Post subject: Re: Collection of Michael Shaw |
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| MICHAEL, It is my understanding that The Hastie Quarry mining into the South side of Spar Mountain has adits directly continuing into the closest of the 2 nearest Harris Creek mining district mines (not the Annabel Lee Mine). So your pictured example might actually be from one of those mines that you mention rather than being from another nearby locality. BOB
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 11, 2018 17:38 Post subject: Re: Collection of Michael Shaw |
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| Bob Harman wrote: | | MICHAEL, It is my understanding that The Hastie Quarry mining into the South side of Spar Mountain has adits directly continuing into the closest of the 2 nearest Harris Creek mining district mines (not the Annabel Lee Mine). So your pictured example might actually be from one of those mines that you mention rather than being from another nearby locality. BOB |
Hi Bob,
Yes, I'm aware of that, and I saw some fluorite from some of the new quarrying efforts at Hastie at the Denver Show. I acquired this piece from Jared Freiberg at the Denver Show this past September. Since I had never heard of an Iron Mountain location, and the southern Illinois fluorspar district is one focus of my collection, I asked him about it. He told me that several years ago he had purchased this piece and several other flats labeled "Iron Mountain" from the wife of a local dealer after he died. She told Jared that Iron Mountain referred to older surface workings on Spar Mountain, near the Hastie Quarry, but not actually part of it. This seemed to be confirmed by several other locals that Jared talked to. In the end, I think Spar Mountain is as close as I'm going to get to a locality for this specimen.
Michael
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 13, 2018 12:41 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Datolite |
| Locality: | | Isle Royale, Lake Superior, Keweenaw County, Michigan, USA | |
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| Dimensions: | 4.5 x 5.5 cm |
| Description: |
| Polished white datolite nodule with brownish red highlights on the rim. The exterior of the nodule is water worn as it was collected offshore of Isle Royale. |
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| Viewed: |
23285 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 15, 2018 12:29 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Natrolite |
| Locality: | | Weyerhaeuser Lincoln Creek Quarry, Doty Hills, Lewis County, Washington, USA | |
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| Dimensions: | 5.5 x 8.0 x 9.6 cm |
| Description: |
| Delicate sprays of acicular white natrolite with colorless fluorapophyllite and rhombs of colorless calcite on a thin rind of black basalt. Collected in 1998 by Rudy Tschernich from the Valentine's Day pocket. |
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| Viewed: |
23273 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 18, 2018 16:30 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Prehnite |
| Locality: | | Roncari Quarry, East Granby, Hartford County, Connecticut, USA | |
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| Dimensions: | 5.2 x 6.8 cm |
| Description: |
| Intergrown apple-green prehnite crystal groups to 2.1 cm. The bottom exhibits numerous cavities presumably once filled with anhydrite now partially filled with plates of grayish-brown quartz. |
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| Viewed: |
23114 Time(s) |
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| Mineral: | Prehnite |
| Locality: | | Roncari Quarry, East Granby, Hartford County, Connecticut, USA | |
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| Dimensions: | 5.2 x 6.8 cm |
| Description: |
| Bottom of the previous piece showing cavities once filled with anhydrite. |
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| Viewed: |
23112 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 21, 2018 15:06 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Dolomite after calcite |
| Locality: | | Cavnic mining area, Cavnic, Maramures, Romania | |
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| Dimensions: | 6.0 x 8.5 x 11.0 cm |
| Description: |
| Pale pink dolomite replacing calcite crystals. The pseudomorphs are tubular to conical in shape and have hollow terminations. This piece was collected circa 1965 from a small pocket that yielded only 3 specimens. A very unusual specimen from the district. |
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| Viewed: |
22976 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 23, 2018 09:41 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite |
| Locality: | | Second Sovetskii Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Russia | |
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| Dimensions: | 4.6 x 4.9 x 6.2 cm |
| Description: |
| Intergrown aggregates of lustrous rhombic pink calcite crystals. Bright orange-red fluorescence under SW-UV light. |
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| Viewed: |
22857 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 24, 2018 14:56 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Sphalerite |
| Locality: | | Picher Field, Tri-State District, Ottawa County, Oklahoma, USA | |
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| Dimensions: | 9.0 x 13.5 cm |
| Description: |
| Dark brownish-black sphalerite crystals to 2.7 cm with a resinous luster covering a typical chert breccia matrix. |
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| Viewed: |
22805 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 26, 2018 10:48 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Galena |
| Locality: | | Ballard Mine, Baxter Springs, Picher Field, Tri-State District, Cherokee County, Kansas, USA | |
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| Dimensions: | 5.0 x 7.6 x 9.2 cm |
| Description: |
| A large cubic galena crystal measuring 6.0 x 7.0 cm with surface fortifications that exhibit cuboctahedral growth. A few small bladed marcasite crystals are also present. |
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| Viewed: |
22677 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 29, 2018 11:43 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Serandite with Natrolite, Rhodochrosite and Aegirine |
| Locality: | | Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada | |
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| Dimensions: | 6.0 x 6.6 cm |
| Description: |
| Large blocky salmon-colored serandite crystal with colorless natrolite crystals, reddish-brown rhodochrosite, and black aegirine. |
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| Viewed: |
22602 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 30, 2018 18:05 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Galena |
| Locality: | | Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA | |
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| Dimensions: | 5.8 x 8.1 cm |
| Description: |
| An elongated cubic crystal measuring 2.5 x 4.5 cm on a breccia matrix coated with small white dolomite crystals. |
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| Viewed: |
22516 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2252
Location: Oklahoma
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| Posted: Jan 31, 2018 16:17 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Mesolite |
| Locality: | | Cap d'Or, Bay of Fundy, Parrsboro, Cumberland County, Nova Scotia, Canada | |
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| Dimensions: | 6.8 x 7.7 cm |
| Description: |
| Snow white hemispherical aggregates of mesolite associated with small white bladed stilbite crystals. Collected July 2, 2009 by Terry Collett. |
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| Viewed: |
22343 Time(s) |
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