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A mineralogical trip through the states of USA - New York
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Jordi Fabre
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PostPosted: Apr 18, 2011 11:26    Post subject: A mineralogical trip through the states of USA - New York  

New York the "Empire State"


To lead the New York State I'm pleased to publish one of the multiple images downloaded by Glenn Rhein in the amazing thread: "New find of minerals from New York" about the recent discovery of a lot of minerals in his property.

Thank you Glenn!



Meionite - Rhein property_Amity_Warwick_Orange Co._New York_USA.jpg
 Description:
Meionite with minor Titanite
Rhein property, Amity, Town of Warwick, Orange County, New York, USA
Specimen size: 24 x 35 cm.
Main crystal size: about 4 cm.
Photo: Glenn Rhein
 Viewed:  30617 Time(s)

Meionite - Rhein property_Amity_Warwick_Orange Co._New York_USA.jpg


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PostPosted: Apr 18, 2011 12:14    Post subject: Re: A mineralogical trip through the states of USA - New York  

One of the most interesting occurrences for graphite crystals in new York is the Gouverneur Talc Company #4 quarry (Valentine property) in Harrisville, NY. The marble there hosts a wide variety of graphite morphologies ranging from well-formed tabular hexagonal crystals to spherical aggregates. One particular piece of calcite showed graphite crystals that showed late-stage layer-by-layer growth of graphite (note the growth spirals) overgrowing earlier-formed graphite crystals from the edges toward the center (a,b). The earlier-formed crystals often have a frosty luster (a) but occasionally showed remarkable stellate dendrites (snowflake) patterns on the surface (b-c). Image (d) is of the same crystal as (c) using Nomarski differential interference contrast microscopy. John A. Jaszczak specimens and photos (345-3-4, 345-02, 345-05, 346-04).


Snowflake_Graphite.jpg
 Description:
Graphite with spiral and stellar overgrowths. Gouverneur Talc Company #4 quarry, Harrisville, NY.
 Viewed:  30585 Time(s)

Snowflake_Graphite.jpg


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PostPosted: Apr 18, 2011 19:20    Post subject: Re: A mineralogical trip through the states of USA - New York  

Former collection of Carnegie Inst. and Del Oswald


DSCN0817.JPG
 Description:
Fluorite
Lockport, New York
7.0cm x 5.8cm
 Viewed:  30575 Time(s)

DSCN0817.JPG


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PostPosted: Apr 18, 2011 19:24    Post subject: Re: A mineralogical trip through the states of USA - New York  

A very large undamage one on matrix


DSCN0813.JPG
 Description:
Quartz var Herkimer Diamond
Middleville, New York
7.0cm x 6.7cm
 Viewed:  30534 Time(s)

DSCN0813.JPG


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PostPosted: Apr 19, 2011 04:48    Post subject: Re: A mineralogical trip through the states of USA - New York  

Here is a cute little quartz scepter from Treasure Mtn., Fall Hill, Little Falls, NY.


herkimer scepter.jpg
 Description:
 Viewed:  30500 Time(s)

herkimer scepter.jpg



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PostPosted: Apr 19, 2011 14:09    Post subject: Re: A mineralogical trip through the states of USA - New York  

The green fluorite is unlike any I ever ran across collecting in Lockport. I grew up in western New York, Hamburg which is south of Lockport, and did a fair amount of collecting at what was then called the Frontier Dolomite Products Quarry. All I ever saw was colorless simple cubes as shown in this photo.


0148819001167626854.jpg
 Description:
Fluorite from Frontier Quarry, Lockport, Niagara County, New York.
Specimen width 8 cm, crystals to 1.5 cm.
 Viewed:  30443 Time(s)

0148819001167626854.jpg



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PostPosted: Apr 21, 2011 07:10    Post subject: Re: A mineralogical trip through the states of USA - New York  

A couple for New York.


SmokeHerk.jpg
 Description:
Smoky Quartz var Herkimer Diamond
Ace of Diamonds Mine, Herkimer Co., New York
Specimen size 8 x 5.3 cm.
 Viewed:  30368 Time(s)

SmokeHerk.jpg



HerkDumbBell.jpg
 Description:
Quartz var Herkimer Diamond
Treasure Mountain Diamond Mine, Herkimer Co., New York
Specimen size 2.8 x 1 cm.
 Viewed:  30390 Time(s)

HerkDumbBell.jpg



DodgeQuartz.jpg
 Description:
Quartz
Dodge Mine, St. Lawrence Co., New York
Specimen size 4.5 x 2.5 x 2.1 cm.
 Viewed:  30388 Time(s)

DodgeQuartz.jpg


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PostPosted: Apr 21, 2011 09:29    Post subject: Re: A mineralogical trip through the states of USA - New York  

Fluorite on Dolomite from the Emmons Quarry, Walworth, New York.


F013.jpg
 Description:
Fluorite (1.5 cm on edge) on Dolomite, Emmons Quarry, Walworth, New York.
 Viewed:  30349 Time(s)

F013.jpg


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PostPosted: Apr 21, 2011 12:44    Post subject: Re: A mineralogical trip through the states of USA - New York  

Hello Everyone,

I have but one mineral from New York to post today.

jimp



Diopside 02b.jpg
 Description:
This dark green Diopside is from the Mulvaney Property, Pitcarin, Saint Lawrence County, New York and measures 5/8" x 3/16" (1.59 cm x 0.48 cm)
 Viewed:  30315 Time(s)

Diopside 02b.jpg


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PostPosted: Apr 21, 2011 12:59    Post subject: Re: A mineralogical trip through the states of USA - New York  

In case anyone mistakenly thought that New York only has pretty minerals, here is a rare amphibole, fluoropotassichastingsite, from its type locality, the Greenwood mine. I love black minerals with long names.


FKHastings4.jpg
 Description:
Fluoropotassichastingsite, 1cm cleavage.
 Viewed:  30307 Time(s)

FKHastings4.jpg


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Luiz Menezes




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PostPosted: Apr 21, 2011 14:53    Post subject: Re: A mineralogical trip through the states of USA - New York  

John:

What is the size of the graphite crystals?
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PostPosted: Apr 26, 2011 13:14    Post subject: Re: A mineralogical trip through the states of USA - New York  

Dear Luiz-
Sorry that I didn' t put a size. I am embarrassed that I also failed to include the size in the Rocks & Minerals article about them (R&M 84 (2009) 502-519). They crystals are between 1 and 2 mm across.
Thanks!
John
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PostPosted: Apr 26, 2011 13:19    Post subject: Re: A mineralogical trip through the states of USA - New York  

In addition to well-formed hexagonal single crystals, graphite occurs in spherical aggregates of platy crystals that can be fairly coarse, or very compact. The compact versions probably grow by a different crystal-growth mechanism. Here are examples of each.


Fig.23.jpg
 Description:
Coarse spherical aggregate of graphite crystals partially dissolved from enclosing calcite matrix, with associated unidentified silicates. (1.2-mm diameter)
 Viewed:  30121 Time(s)

Fig.23.jpg



Fig.24.jpg
 Description:
Compact spherical aggregate of graphite crystals partially dissolved from enclosing calcite matrix. (1-mm diameter)
 Viewed:  30103 Time(s)

Fig.24.jpg


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PostPosted: Apr 27, 2011 11:02    Post subject: Re: A mineralogical trip through the states of USA - New York  

The green fluorite is most likely from either Macomb, New York, or Muskellonge Lake, New York, and not Lockport, NY. My husband and I lived in that region for many years and he collected from the Macomb locality several times when it was accessible.
I hope this information is helpful for you.
Susan Robinson

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am mizunaka




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PostPosted: Oct 01, 2011 02:04    Post subject: Re: A mineralogical trip through the states of USA - New York  

My "duck" head quartz specimen. The calcite has unknown inclusions that might be marcasite.


QtzCalLowvilleSM1.jpg
 Description:
Smoky Quartz w/Calcite
Lowville Formation, Black River Group, Lowville NY
4 x 3 cm
 Viewed:  28679 Time(s)

QtzCalLowvilleSM1.jpg


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PostPosted: Oct 16, 2011 15:36    Post subject: Re: A mineralogical trip through the states of USA - New York  

Calcite included with needles of marcasite.


CalciteNY.jpg
 Description:
Calcite with Dolomite
Benchmark Quarry, St Johnsville, Montgomery Co., New York
4.5 x 5 cm
 Viewed:  28353 Time(s)

CalciteNY.jpg


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PostPosted: Jul 08, 2012 14:24    Post subject: Re: A mineralogical trip through the states of USA - New York  

A new addition


Uvite - Pierrepont_St. Lawrence County_New York_USA.jpg
 Description:
Uvite
Pierrepont, St. Lawrence County, New York, USA
Specimen size: 3.8 × 3.5 × 3.2 cm.
Mined about 1959
Former collection of Folch duplicates
Photo: Reference Specimens
 Viewed:  25820 Time(s)

Uvite - Pierrepont_St. Lawrence County_New York_USA.jpg


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PostPosted: Jul 21, 2012 22:00    Post subject: Re: A mineralogical trip through the states of USA - New York  

Herkimer Diamonds with Metal inclusions such as Marcasite and Pyrite are very rare. Amongst these crystals it is even rarer to find Pyrite and the Rarest to find Fully Formed Pyrite Cubes. These almost never occur, and even if you know where to look you can go years without finding one, Marcasite, while still rare is more common.

This specimen features Fully Formed, Bright Gold Pyrite Cubes, completely encased within a floater of radiant gem quality, Herkimer Quartz, This makes for quite the combination aesthetically.

You can gaze into this HUGE gem for hours and never see it all. Its likes its own universe inside thishuge jewek. The quartz is RADIANT and FLAWLESS so you can really see this intricate details of this Marcasite/Pyrite City! Not a fracture to throw it off. The Quartz preserved this delicate metal for 500 million years and now we can still gaze at it in its origional splendor.

In addition to all the goodness mentioned there are also two Calcite crystals on this specimen, which make it even more rare and "collectable". One of these crystals is actually BELOW the surface of the Quartz due to a divet created by the marcasite!!!

There is a geologialy important moment, crystalized. I envision this GEM forming in a split second, the Pyrite Cubes seem to be "birthing" and crystaling as they emerge from the marcasite. Somehow this occurance was encased with the Herkimer Quartz.

A truely Unique and breathtaking specimen from good ol' NY state :)



today 031.JPG
 Description:
Quartz (Herkimer) with Marcasite and Pyrite Cube Inclusions / Calcite
St. Johnsville, Montgomery County, New York, USA
41x31x24 in mm
126 Carats
Once in a Lifetime Crystal!!
 Viewed:  25518 Time(s)

today 031.JPG


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PostPosted: Jul 21, 2012 22:12    Post subject: Re: A mineralogical trip through the states of USA - New York  

Classic American Locality - Not much available from this location. I had to hunt this one down and harvest it from the Earth myself in order to get a good specimen from Kingston, NY :) Well worth the effort as I hit a good sized pocket while there, now I can share and help fill gaps in other collections.


kingSt 035.JPG
 Description:
Quartz / Calcite on Matrix
Kingston (Old Quarry along the Hudson), New York, USA
58x47x17 mm.
Pristine Specimen / No Damage
 Viewed:  25529 Time(s)

kingSt 035.JPG


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PostPosted: Jul 22, 2012 02:50    Post subject: Re: A mineralogical trip through the states of USA - New York  

A classic quartz from NY:


johnsville.JPG
 Description:
Quartz
Crystal Grove Diamond Mine, St Johnsville, Montgomery County, New York, USA
Specimen width 50 mm
 Viewed:  25438 Time(s)

johnsville.JPG


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