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Jim Prentiss
Joined: 01 Dec 2009
Posts: 103
Location: Ohio
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 Posted: Jan 01, 2010 12:34 Post subject: Re: Collection of Jim Prentiss |
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Happy New Year Everyone.
I am adding some other minerals today. Again nothing that would make the pages of a mineral magazine.
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| Trilithionite/Lepidolite; your choice, I prefer Lepidolite but the "times they are a chanin' ", and so are the mineral names.This piece is rather large at over 9" x 4 1/2 " x 2 3/4" (23cm x 11.4cm x 6.9cm). It is, as expected, from Minas Gerais, Brazil. |
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43100 Time(s) |
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| As a type locality mineral, this Sulphohalite crystal is rather nice looking. This, too, is a new mineral to my collection and it is from Searles Lake, San Bernardino County, California. The crystal is 3/4" (1.9cm). |
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43054 Time(s) |
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| Here is one of my recent acquisitions. This deep purple Stichtite in matrix is another one of my ugly type locality minerals from Stichtite Hill, Dundas Mineral Field, Zeehan District, Tasmania, Australia. The specimen is 1 1/4" x 3/4" (3.2cm x 1.9cm) |
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43066 Time(s) |
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| Here is a different Heulandite from Pato Branco, Parana, Brazil. The specimen is 1" square (2.4cm) |
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43090 Time(s) |
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| Another of my favorites. This Millerite always amazes people, especially those who know I have cats. It takes a couple of minutes with a 10x before they see the crystals for what they are. Teh field of view is 1 1/2" (3.8cm). It is from Keokuk County, Iowa. |
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43023 Time(s) |
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| Well her is "another" photo of Wavellite, but I had to include this one. This is one of my personal favorites. I like the habit and the color. I read once where most collectors would rather thier specimens be perfect and unbroken but an exception is made for Wavellite. This piece is of course from Garland County, Arkansas. the field of view is 3" (7.6cm) |
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43074 Time(s) |
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| Here is a busy piece in this Pyrite crystal "Sunflower" from the Zhuang Autonomous Region, China. It is 3 1/4" in diameter (8,3cm). It could be used as a paper weight but I'd rather not. |
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43021 Time(s) |
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| This Magnesioriebeckite is one of my better type locality minerals from Alto Chapare District, Chapare Province, Cochabamba Deparment, Bolivia. the field of view is 1 1/2" wide (3.8cm) |
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43016 Time(s) |
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Jim Prentiss
Joined: 01 Dec 2009
Posts: 103
Location: Ohio
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| Posted: Jan 14, 2010 11:07 Post subject: Re: Collection of Jim Prentiss |
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Hello Everyone,
I am adding a few more specimen photos to this post.
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| Here is one of my black minerals. I like this Manganite because of the woven-like pattern of the lustrious crystals in the aggregate. it is from the Caland pit, Atikokan, Hutchingston Township, Rainy River District, Ontario, Canada. The specimen measures 3 3/4" x 2 1/4" (9.53cm x 5.72cm). |
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42910 Time(s) |
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| I like this Astrophyllite because of its different habit, it looks like copper colored streamers lying on the matrix. The field of view is 3" (7.62cm). It is from Eveslogchorr Mountain, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia. |
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42893 Time(s) |
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| This pseudocubic crystal cluster of Apophyllite-K(OH), (Bah Humbug! I prefer Hydroyapophyllite) is 1 3/8" x 3/4" (3.49cm x 1.90cm) . it is from N’Chwaning Mine II, N’Chwaning Mines, Kalahari Manganese Fields, Northern Cape Province, South Africa |
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42954 Time(s) |
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| This Chrysocolla is yet another example of one of my favorite habits. Also, the blue color is, to me, quite attractive, despite the ugly matrix. It is 2 1/4" x 2" (5.72cm x 5.08cm) and is from the Kolwezi Mine, Kolwwezi, Western Area, Shaba Copper Belt, Shaba (Katnga), Democratic Republic of Congo (Zaire). |
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42889 Time(s) |
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| Tyuyamunite is one of the radioactive minerals in my collection that the Border Patrols sensors detected when I came down from Alaska a couple of years ago. Very sensitive equipment. I like it for its bright yellow color. The minute tabular crystals and only be appreciated with 20x or more. It is from Blue Peak Mine, Poison Canyon Area, Grants District, Cibola County, New Mexico and measures 7/8" x 3/4" (2.22cm x 1.90cm) |
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43433 Time(s) |
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| This specimen is a pretty good looking mineral for one of my type locality pieces. The habit and color are typical of the Aghbar Mine, Aghbar, Bou Azzer District, Tazenakht, Qiarzazate Province, Suoss-Massa-Draa Region, Morocco. It is named after Wendell E. Wilson, Editor and Publisher of the Mineralogical Record. The specimen measures 1 1/4" x 1" (3.18cm x 2.54cm). |
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42970 Time(s) |
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| I am sure nearly everyone has Sulphur (I prefer the old spelling) as an example of a Native Element mineral. This one is a little diffrent in that it appears to have been dripped on the matrix like wax from a tipping candle. It is from San Carlos Mine, San Felipe, Mun. de Mexicali, Baja California Norte, Mexico. The crystal is 3/8" (10mm) across |
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42915 Time(s) |
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| This humble Realgar specimen has a couple of well formed brightly colored crystals scattered about which are better viewed with at least a 10x. The crystals average about 1/16" (1.6mm) from Royal Reward Mine, Green River Gorge, Franklin, King County, Washington. |
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42870 Time(s) |
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| This little Sturmanite cluster is from N’Chwanning I Mine, N’Chwanning Mines, Kalahari Manganese Fields, Northern Cape Province, South Africa. The specimen measures 1 1/2" x 5/8" 9 3.81cm x 1.59cm) |
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42830 Time(s) |
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| Here is another of my type locality minerals. This was my first Variscite. The small, 1/32" (0.8mm) green spheres are from Meßbach Quarry, Altmannsgrun, Plauen, Voughtland, Saxony, Germany. |
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42834 Time(s) |
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Jim Prentiss
Joined: 01 Dec 2009
Posts: 103
Location: Ohio
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| Posted: Mar 19, 2010 20:16 Post subject: Re: Collection of Jim Prentiss |
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Hello Everyone,
It has been awhile, I have been off the net. Here are a few more humble pieces to add to the site.
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| Clinochlore (var. Chromian Clinochlore). I tossed this one in for color. These bright lilac, tiny hexagonal crystal clusters come from the Woods Chromite Mine, Lancaster, Pennsylvania. The specimen is about 2" (5.08cm) across. |
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42101 Time(s) |
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| This Bournonite, from the Quiruvilca District, La Libertad Department, Peru, shows the classic "cogs wheel" Habit. The crystals average about 1/4" (6mm) in diameter. |
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42089 Time(s) |
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| Although it is rather lack-luster, I do not consider this type locality piece, all that ugly. I enjoy the curtain-like habit. It reminds me of the curtain-like cave formations. It comes from Mount Yukspor, Kola Peninsula, Russia. The field of view is about 1 1/4" (3.18cm) wide. |
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42110 Time(s) |
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| I have seen quite a bit of the "star" Muscovite coming out of Brazil. And as I have no examples, I submit this little pseudohexagonal crystal aggregate for consideration. The specimen is about 1 1/2" x 1 1/2" (3.81cm x 3.81cm) |
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42122 Time(s) |
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| Back to the "ugly" type locality mineral, theme. Here is a specimen of Native Iron (the small bright areas), from Disko Island, Greenland. The bright Iron spots are about 1/32" (0.8mm) in diameter. |
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42116 Time(s) |
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| These, seemingly formless, Calcite crystals, that have obvious rhombohedral terminations, caught my eye some years ago, in a little out of the way rock shop in Anchorage. They are from Irai, Rio Grande do Sul, Brazil and average about 1 1/4" x 3/8" (3.18cm x 0.95cm) |
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42127 Time(s) |
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Andreas Gerstenberg
Joined: 04 Mar 2010
Posts: 336
Location: Chemnitz
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| Posted: Mar 24, 2010 05:34 Post subject: Re: Collection of Jim Prentiss |
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Hi,
Nice type-locs! Some addition to your variscite. The village is spelled "Meßbach" (Messbach) not Mebbach. However, nice pics of not that often shown specimens. Hope there are still more to come;-)
Cheers
Andreas
________________________
Replaced Mebbach by Meßbach.
Carles Millan
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Jim Prentiss
Joined: 01 Dec 2009
Posts: 103
Location: Ohio
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| Posted: Jul 09, 2010 20:06 Post subject: Re: Collection of Jim Prentiss |
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Hello everyone,
I has been a while since I added photos to this forum.
| Description: |
| This little Arsenopyrite is about 5/8" x 1/2" (1.59 cm x 1.27 cm). This specimen is from Chihuahua, Mexico |
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40872 Time(s) |
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| This is Tremolite var. Hexagonite, and according to one reference it comes from the Type Locality (For Hexagonite) in Edwards, Balmat-Edwards Zinc District, Saint Lawrence County, New York. It is 3 1/2" x 2 /1/2" (8.89 cm x 6.35 cm) |
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40819 Time(s) |
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| Here again I am attempting a metallic mineral. This octahedral Galena is from Huanzala Mine, Huallanca District, Dos de Mayo Province, Huanuco Departemnt, Peru. I t is 3 1/4" x 1 3/4" (8.26 cm x 4.45 cm) |
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40836 Time(s) |
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| Description: |
| Newberyite, a real Type Locality peice from Skipton Caves, Mount Widderin (Anderson’s Hill), Skipton, Corangamite Shire, Victoria, Australia. It is about 1" in diammter (2.54 cm) |
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40827 Time(s) |
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| Description: |
| This is a recent acquisition, Pyrite on Calcite from Chenzhou Prefecture, Hunan Province, South Central Region, China. However it reminds me of Stone Mountain, Georgia. Field of view is 1/2" (1.27 cm) |
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40836 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Jul 10, 2010 01:04 Post subject: Re: Collection of Jim Prentiss |
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| Andreas Gerstenberg wrote: | | Some addition to your variscite. The village is spelled "Meßbach" (Messbach) not Mebbach. |
If we are talking corrections for that locality: Please note that this area of Saxony is named Vogtland, not Voughtland.
But in general: Thank you for posting your interesting specimens, Jim, i also hope for more to come!
Cheers!
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Jim Prentiss
Joined: 01 Dec 2009
Posts: 103
Location: Ohio
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| Posted: Jul 10, 2010 10:05 Post subject: Re: Collection of Jim Prentiss |
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Hi Tobias,
I am changing my label and catalogue. I should have confirmed it with mindat. I took the locality info off of the original label I got from the dealer.
Fear not, I appreciate the corrections. I remember, working for the local school/tour bus company, as a kid, all the diiferent attempts at pronouncing some place names near where I grew up.
Jimp
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Jim Prentiss
Joined: 01 Dec 2009
Posts: 103
Location: Ohio
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| Posted: Jul 10, 2010 11:06 Post subject: Re: Collection of Jim Prentiss |
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Helllo All,
Well if you see any repeats of the photos I am submitting now, it is because my new kitten walked accross my keyboard and my first attempt diappeared. I know not where
it went. So here goes with some more photos to add to the list.
Jimp
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| This is a busy little piece. It took nearly fifteen years to get the whole story from the Alaska Geological Survey, on this ugly little specimen. It is Calcite var. Glendonite pseudomrph after sand included Glauberite. I picked it up Near Carter Creek, North Slope, Alaska, while crewing a helicopter in 1983. It is 2 1/2" x 1 5/8" (6.35cm x 4.13cm) |
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9534 Time(s) |
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| Any white water enthusiasts out there? Does this not remind anyone of rapids in a stream? This Pyrophyllite is from Hillsboro Mine, Orange County, North Carolina and is 4" x 2" (10.16cm x 5.08cm) |
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9529 Time(s) |
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| This is a rather recent addition to my collection. I have several Mimetites, but this is the first green example I have seen. It is 1 3/8" x 1" (3.49cm x 2.54cm) and is from the Ojuela Mine, Mapmimi, Mun. de Mapimi, Durango, Mexico |
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9531 Time(s) |
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| Going for a little flash. I have read about the Quartz Gwindels and of course I got one when I could. I do not know how well this ranks among other examples, But its mine, and I like it. According to the label I recieved it is from Val Strem, Tavetsch, Graubunden, Switzerland, and it measures 3 1/4 x 2 3/8" (8.26cm x 6.03cm) |
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9497 Time(s) |
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| This specimen is Forsterite, tiny pale green druzy crystals lining small vugs in matrix. I picked it up in 1995 near New Chenega Village, Evans Island, Prince William Sound, Alaska. the piece is 1 3/8" x 1 3/8" (3.49cm x 3.49cm) |
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9517 Time(s) |
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Jim Prentiss
Joined: 01 Dec 2009
Posts: 103
Location: Ohio
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| Posted: Nov 28, 2010 15:22 Post subject: Re: Collection of Jim Prentiss |
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Hello Everyone,
It has been awhile since I have added anything to my collection page. So here are a few more specimens.
jimp
| Description: |
| A light blue coating of Strashmirite from the Majuba Hill Mine, Pershing County, Nevada. Field of view is 1.00" (2.54cm). |
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9250 Time(s) |
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| Description: |
| When I first started doing this list I was going to not do any repeats, however I have a good excuse in this specimen of Wavellite from the type locality at the High Down Quarry, Filleigh, North Devon, Devon, England. the specimen is 1 1/2" x 1" (3.81 x 2.54cm). I am also running out of different minerals at add to the list. |
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9215 Time(s) |
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| Description: |
| This tiny Strontianite is around 1/16" (1.6mm) long. It ia one of the lucky shots I have achieved with my everyday digital camera. It if from Faylor Middle Creek Quarry, Winfield, Union County, Pennsylvania. |
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9220 Time(s) |
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| I just put this Zippeite up on the New Mexico state listing. It is from Jackpot Mine, Laguna District, Cibola County, New Mexico |
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9203 Time(s) |
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| Description: |
| This Scolecite is the only mineral specimen I have from Iceland, from Teigarhorn, Berufjord. the field of view is close to 2" (5.08cm) |
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9231 Time(s) |
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| Description: |
| This is the Smithsonite I have looked for going on twenty years. I have lots of the botryoidal or reniform. This piece is from the Tsumeb Mine, Otjikoto Region, Namibia. it is about 3/4" (1.91cm) high |
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9248 Time(s) |
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