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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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 Posted: Apr 27, 2016 10:57 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Fluorapatite (Apatite Group) |
| Locality: | | Chhurka, Shigar District, Gilgit-Baltistan (Northern Areas), Pakistan |  |
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| Dimensions: | 2.7 x 3.7 cm |
| Description: |
| Subparallel group of colorless glassy hexagonal fluorapatite crystals with druzy green vermiform muscovite nestled between the crystals. |
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16736 Time(s) |
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Edelmin
Joined: 24 Mar 2009
Posts: 37
Location: Salamanca
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| Posted: Apr 27, 2016 12:01 Post subject: Re: Collection of Michael Shaw |
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Hi Michael,
Very nice apatite, as most of your other specimens, all of great quality and aesthetics.
However I really doubt that it comes from Chumar Bakhoor, apatites from there are a bit different and quite characteristic. As the picture title states, yours is most probably from the Shigar Valley, being Chhurka a locality in that valley known for apatite. I suppose the locality change is related to the locality database and may be solved easily (adding Chhurka as a new locality).
Best regards,
Felix Garcia
_________________
Felix G. Garcia
Edelmin |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: Apr 27, 2016 15:21 Post subject: Re: Collection of Michael Shaw |
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Hi Felix,
Thanks for pointing out the error. You are absolutely correct as to the Chhurka locality. This error wasn't a result of the database. The error was mine as I copied the locality from a different specimen. It is now corrected.
Michael
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1297
Location: Catalonia
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| Posted: Apr 27, 2016 16:12 Post subject: Re: Collection of Michael Shaw |
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| crosstimber wrote: | | Hi Felix, Thanks for pointing out the error. You are absolutely correct as to the Chhurka locality. This error wasn't a result of the database. The error was mine as I copied the locality from a different specimen. It is now corrected. Michael |
Anyone interested in knowing where Chhurka is may want to open this map https://carlesmillan.cat/maps/Pakistan.png
Just a hamlet at the lower area of the Shigar Valley (blue pin), somewhere to the northeast of Skardu. Not hard to find on the map, in the lower right quarter.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: Apr 29, 2016 07:57 Post subject: Re: Collection of Michael Shaw |
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This one is from Chumar Bakhoor.
| Mineral: | Fluorapatite (Apatite Group) |
| Locality: | | Chumar Bakhoor, Hunza Valley, Nagar District, Gilgit-Baltistan (Northern Areas), Pakistan | |
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| Dimensions: | 5.9 X 7.6, crystal is 1.5 cm |
| Description: |
| A compound glassy prismatic pink fluorapatite crystal with a pinacoid termination and modified beveled edges set on a matrix of silver muscovite. The crystal shows an intense yellow fluorescence under SW UV. |
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| Viewed: |
16448 Time(s) |
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1297
Location: Catalonia
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| Posted: Apr 29, 2016 08:22 Post subject: Re: Collection of Michael Shaw |
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| crosstimber wrote: | | This one is from Chumar Bakhoor. |
This is really the typical apatite from Chumar Bakhoor. Pink to light pink, on a bed of mica, and sometimes accompanied by beryl (or more seldomly by fluorite).
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: Apr 30, 2016 09:54 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Heulandite |
| Locality: | | Pato Branco, Paraná, Brazil | |
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| Dimensions: | 2.2 x 3.3 cm |
| Description: |
| Reddish-brown heulandite crystals with greenish-blue celadonite. |
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| Viewed: |
16419 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3386
Location: Good Old Germany
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| Posted: Apr 30, 2016 12:01 Post subject: Re: Collection of Michael Shaw |
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| Great photo and a really nice specimen with a strong colour contrast!
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: Apr 30, 2016 20:47 Post subject: Re: Collection of Michael Shaw |
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| Tobi wrote: | | Great photo and a really nice specimen with a strong colour contrast! |
Thank you Tobi. I seldom see specimens from that location anymore.
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: May 02, 2016 10:56 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Mordenite |
| Locality: | | Ahmadnagar District, Maharashtra, India | |
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| Dimensions: | 6.0 x 8.9 cm |
| Description: |
| Hemispherical aggregate of radiating acicular white mordenite crystals associated with pseudocubic green apophyllite crystals. |
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| Viewed: |
16202 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: May 06, 2016 09:49 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Woodhouseite |
| Locality: | | Champion Mine, White Mountain Peak, White Mountains, Mono County, California, USA | |
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| Dimensions: | 2.5 x 3.2 cm |
| Description: |
| Lustrous tan pseudocubic woodhouseite crystals to 5 mm completely covering matrix. Collected by Chris Lehmann in 2015 from the type locality. |
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| Viewed: |
16051 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: May 10, 2016 14:18 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Sphalerite |
| Locality: | | Blue Goose Mine, Commerce, Tri-State District, Ottawa County, Oklahoma, USA | |
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| Dimensions: | 8.3 x 12.3 cm |
| Description: |
| Reddish “ruby jack” sphalerite crystals to 1.0 cm covering the top of a dark gray chert matrix. |
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| Viewed: |
15892 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: May 13, 2016 15:22 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Zircon |
| Locality: | | Astor Valley, Astor District, Gilgit-Baltistan (Northern Areas), Pakistan | |
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| Dimensions: | 1.5 x 2.5 cm |
| Description: |
| A reddish brown zircon measuring 1.0 cm embedded in a matrix of albite and biotite collected near Bulbin in the Astor Valley. |
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| Viewed: |
15864 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: May 16, 2016 08:41 Post subject: Re: Collection of Michael Shaw |
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This little group of Betafite crystals is no doubt among the ugliest minerals in my collection. However, it is special to me as I collected at this location many years ago when I was a teenager.
| Mineral: | Betafite Group |
| Locality: | | Silver Crater Mine, Faraday Township, Hastings County, Ontario, Canada | |
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| Dimensions: | 2.4 x 2.6 cm |
| Description: |
| A group of cubeoctahedral betafite crystals that have a thin alteration rind of hydroxycalciopyrochlore. |
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| Viewed: |
15666 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: May 25, 2016 11:45 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Rhodonite |
| Locality: | | San Martín Mine, Chiurucu (Chiuruco), Huallanca District, Bolognesi Province, Ancash Department, Peru | |
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| Dimensions: | 2.0 x 2.5 cm |
| Description: |
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| Viewed: |
15508 Time(s) |
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| Mineral: | Quartz |
| Locality: | | Keuper outcrop, Chella, Comarca Canal de Navarrés, València / Valencia, Valencian Community, Spain | |
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| Dimensions: | 2.1 x 2.5 cm |
| Description: |
| A small group of sharply-formed quartz crystals with an intense brick red color, attributed to hematite inclusions. These quartz crystals originate from Chella, where they are locally known as "Jacinto de Compostela." |
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| Viewed: |
15531 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: May 28, 2016 09:55 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Copper |
| Locality: | | Bou Nahas Mine, Oumjrane mining area, Alnif, Tinghir Province, Drâa-Tafilalet Region, Morocco | |
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| Dimensions: | 2.6 cm |
| Description: |
| A floater of spinel-twinned copper. |
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| Viewed: |
15408 Time(s) |
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| Mineral: | Andradite |
| Locality: | | Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region, Morocco | |
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| Dimensions: | 3.7 cm |
| Description: |
| Two dodecahedral andradite crystals on a matrix of orthoclase. |
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| Viewed: |
15544 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: Jun 01, 2016 14:32 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Zircon |
| Locality: | | Siilinjärvi Mine, Siilinjärvi, Eastern Finland Region, Finland | |
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| Dimensions: | 8.0 x 9.5 cm |
| Description: |
| Well-formed brown zircon crystal 1.5 cm in size embedded in a phlogopite schist matrix. |
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| Viewed: |
15398 Time(s) |
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| Mineral: | Zircon |
| Locality: | | Siilinjärvi Mine, Siilinjärvi, Eastern Finland Region, Finland | |
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| Dimensions: | 1.5 cm the crystal |
| Description: |
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| Viewed: |
15376 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: Jun 07, 2016 15:19 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Barite |
| Locality: | | Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Asturias, Principality of Asturias, Spain | |
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| Dimensions: | 5.0 x 6.0 cm |
| Description: |
| Classic tabular blue Baryte crystals with distinct color zonation, grading from darker centers and lighter rims. |
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| Viewed: |
15157 Time(s) |
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| Mineral: | Barite |
| Locality: | | Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Asturias, Principality of Asturias, Spain | |
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| Dimensions: | 5.0 x 6.0 cm |
| Description: |
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| Viewed: |
15174 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: Jun 11, 2016 10:11 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Calcite |
| Locality: | | Nikolaevski Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Far-Eastern Region, Russia | |
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| Dimensions: | 7.0 x 7.5 cm |
| Description: |
| Aggregate of rhombic pink calcite crystals associated with minor quartz and sphalerite on the back. Collected in November 2015. |
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| Viewed: |
15034 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1586
Location: Oklahoma
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| Posted: Jun 16, 2016 11:05 Post subject: Re: Collection of Michael Shaw |
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| Mineral: | Celestine |
| Locality: | | La Grasta Mine, Delia, Caltanissetta Province, Sicily, Italy | |
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| Dimensions: | 6.0 x 6.0 cm |
| Description: |
| Sculptural group of colorless celestine crystals to 3.9 cm in length with classic association of Sulphur on the bottom of the piece. |
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| Viewed: |
14535 Time(s) |
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