John Betts - Fine Minerals > Home Page > Minerals For Sale > Pyrite For Sale

 

John Betts - Fine Minerals, a division of ALLMINERALS.COM dealer of Mineral Specimens, Crystals, Gemstones for Rockshops, Rockhounds, Collectors and Mineral Clubs with Articles on Mineral Collecting, Mineral Locations, Mineral Research, Mineral History, Earth Sciences, Geology

 

Crystallized Pyrite For Sale - Pyrite Crystals For Sale from Spain, Peru, Mexico, USA and other localities

Below is a gallery of  crystallized pyrite for sale from John Betts - Fine Minerals in New York City, NY. Included in this gallery are pyrite crystals for sale from assorted locations in Spain, Peru, England, Russia, Bulgaria, Romania, Mexico, Namibia, Morocco, Czech Republic, Romania, New Mexico, Missouri, New York, Pennsylvania, Colorado. Pyrite is an iron sulfide that occurs in iron deposits worldwide. Many specimens of pyrite crystals are saved by miners that work in iron mines preserving them from being crushed in the processing. To purchase mineral specimens, go to the Online order form.

 Sizes: (t) = Thumbnail, (m) = Miniature, (c) = Cabinet, (lc) = Large Cabinet

Fluorite with Chalcopyrite inclusions for sale from Seata Mine, Aysgarth, Wensleydale, North Yorkshire, England
#73692, Fluorite with Chalcopyrite inclusions, Seata Mine, Aysgarth, England (c) $195

Sphalerite with Calcite, Siderite and Pyrite for sale from Dalnegorsk, Primorskiy Kray, Russia
#73401, Sphalerite with Calcite, Siderite and Pyrite, Dalnegorsk, Russia (c) $150

Fluorite (color zoned crystals) with Pyrite inclusions for sale from Mina Emilio, Loroñe, Caravia District, Asturias, Spain
#72759, Fluorite (color zoned crystals) with Pyrite inclusions, Mina Emilio, Loroñe, Spain (c) $225

Pyrite for sale from Victoria Mine, Navajún, La Rioja, Spain
#73395, Pyrite, Victoria Mine, Spain (c) $75

Fluorite with Chalcopyrite inclusions plus minor Calcite for sale from Seata Mine, Aysgarth, Wensleydale, North Yorkshire, England
#73680, Fluorite with Chalcopyrite inclusions plus minor Calcite, Seata Mine, Aysgarth, England (c) $275

Calcite with Goethite and Pyrite inclusions for sale from Kentucky Stone Quarry, Flemingsburg, Fleming County, Kentucky
#72702, Calcite with Goethite and Pyrite inclusions, Kentucky Stone Quarry, Flemingsburg, Kentucky (c) $75

Calcite with Fluorite and Pyrite for sale from Villabona District, Asturias, Spain
#71923, Calcite with Fluorite and Pyrite, Villabona District, Spain (c) $38

Galena (Spinel-Law twinned crystals), Sphalerite, Pyrite for sale from Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico
#73049, Galena (Spinel-Law twinned crystals), Sphalerite, Pyrite, Santa Eulalia District, Mexico (m) $28

Pyrite nodule for sale from ZCA Pierrepont Mine, Pierrepont, St. Lawrence County, New York
#73938, Pyrite nodule, ZCA Pierrepont Mine, New York (t) $25

Pyrite and Calcite for sale from Bull's Ferry Road condominium construction site, North Bergen, Hudson County, New Jersey
#73319, Pyrite and Calcite, Bull's Ferry Road condominium construction site, New Jersey (lc) $250

Pyrite and Quartz for sale from (Tsuchiya-Ishizaki Mine?), Hokkaido, Japan
#70849, Pyrite and Quartz, (Tsuchiya-Ishizaki Mine?), Japan (lc) $550

Pyrite on Hematite for sale from Miniera di Rio Marina, Isola d'Elba, Livorno, Italy
#73968, Pyrite on Hematite, Miniera di Rio Marina, Isola d'Elba, Italy (m) $125

Heulandite, Calcite, Quartz, Pyrite for sale from Upper New Street Quarry, Paterson, Passaic County, New Jersey
#72848, Heulandite, Calcite, Quartz, Pyrite, Upper New Street Quarry, New Jersey (lc) $75

Fluorite with Chalcopyrite, Calcite, Sphalerite for sale from Ladywash Mine, Derbyshire, England
#73430, Fluorite with Chalcopyrite, Calcite, Sphalerite, Ladywash Mine, England (c) $425

NEW INFORMATION ABOUT COATED PYRITE CRYSTALS FROM MILPILLAS MINE, MEXICO

There has been a series of errors in identification of the gray-metallic-coated pyrite crystals from the Milpillas Mine, Mexico.
Now the mystery is solved: the coating is definitively CHALCOCITE.

Here is a chronology of the evolution of misidentifications:

  1. The sulfide zone was encountered in 2015 at the Milpillas Mine and pyrite crystals with uncommon gray-metallic coating were found.

  2. A wholesaler (to remain anonymous) sent specimens to Marcus Origlieri in March 2015 who tested them using SED-EDS analysis that detected copper (Cu), iron (Fe), and sulfur (S).

  3. The wholesaler decided the coating was bornite and sold tham as "Bornite coated Pyrite". I purchased a large lot, along with several other dealers.

  4. I sold many at the time labeled per the wholesaler's identification, including to Prof. Allan Pring at the South Australian Museum.

  5. Prof. Pring tested the coating, and failed to detect Fe, which is a significant component of bornite (= Cu5FeS4). Prof. Pring postulated (correctly) that the EDS analysis detected the Fe in the underlying pyrite.

  6. Based on that analysis, I announced on this site the test results and stated that bornite was unlikely due to the lack of Fe in the tests, but that the coating identification was still unknown. At that time I suggested labeling them as "Pyrite with Chalcocite-Djurleite-Bornite coating" until definitive tests were performed.

  7. I sent additional samples to the South Australia Museum where Ben Grguric mounted them on polished mounts and tested the coating further, described the coating as a 5-10 micron thick layer of chalcocite or djurleite (April 2016).

  8. Jordi Fabre independently had specimens tested by GeoSpectra using alpha particle induced X-ray spectroscopy (August 2016), and by EDS on the longitudinally oriented thin section so the underlying pyrite was not exposed (December 2017) confirmed the identification of the coating as CHALCOCITE.

These events are an example of how one wholesaler, in a rush to sell a new find, failed to wait for proper testing, and propagated false information throughout the mineral community. A similar misidentification occurred with the "ajoite" from the Luputo Mine which was  actually chrysocolla.

I understand the rush to announce new finds, and I understand that EDS is fast and easy. But EDS is not a good test for all cases. When results are not definitive, it is wrong for the wholesaler to "decide" what they should be labeled. As dealers and collectors, it pays to ask questions regarding testing and identification.

Finally, it is noted that chalcocite coating on pyrite is known from several other localities, including the Burra Burra Copper Mine, South Australia, Australia; Chino Mine, Santa Rita District, Grant County, New Mexico;p and Ducktown Mine, County, Tennessee in the USA. The latter were sold as "ducktownite" which were later identified as chalcocite-coated pyrite. The varietal name ducktownite still persists to describe pyrite crystals coated with gray-metallic chalcocite.

SPECIAL NOTE: The pyrite crystals at the Milpillas Mine were fractured after they crystallized and the crystal fragments were frozen in the white dickite-rich matrix, with thin fractures filled with matrix.  John White in the recent Rocks & Minerals magazine describes this as "disjoined" crystals. But the chalcocite coating is on all surfaces of the pyrite crystals, including the fractured surfaces. That means: 1.) pyrite crystallized; 2.) the pyrite crystals fractured and were frozen in matrix; 3.) the chalcocite coating formed on all surfaces of the pyrite at the end

PYRITE WITH CHALCOCITE COATING FROM MILPILLAS MINE, MEXICO

Pyrite with partial coating of Chalcocite for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75486, Pyrite with partial coating of Chalcocite, Milpillas Mine, Mexico (m) $35

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#73815, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $24

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#73816, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (t) $18

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#73814, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (t) $12

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75644, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (t) $15

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75323, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (t) $30

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75662, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $36

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#73819, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $22

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#73820, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $22

Pyrite with partial Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#73817, Pyrite with partial Chalcocite coating, Milpillas Mine, Mexico (t) $24

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75674, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (c) $65

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75645, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $25

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75665, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (c) $65

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75663, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $30

Pyrite with partial coating of Chalcocite for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75348, Pyrite with partial coating of Chalcocite, Milpillas Mine, Mexico (t) $32

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75646, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $40

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75329, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (c) $45

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75675, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (c) $75

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75614, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (c) $45

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75677, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $55

Pyrite with Chalcocite coating in Quartz for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75667, Pyrite with Chalcocite coating in Quartz, Milpillas Mine, Mexico (m) $45

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75664, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $45

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75672, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (c) $85

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75670, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $65

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75676, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (c) $45

Pyrite with Chalcocite coating for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75671, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (c) $65

PYRITE CRYSTALS WITHOUT CHALCOCITE COATING

Pyrite and Quartz for sale from Milpillas Mine, Cuitaca, Sonora, Mexico
#75570, Pyrite and Quartz, Milpillas Mine, Mexico (m) $36

  

See our other Gem Galleries

Gem Minerals

Tanzanite

Tourmaline

Diamonds

 

Guided Tour of the Mineral Galleries...

Prehnite

Pyromorphite


Order Form

Visit our other galleries with the links below:

New Listings1A

New Listings1B

New Listings2

New Listings3

New Listings4  

My Best Minerals

Minerals $100-$199

Minerals $200-$399

Minerals $400-$999

Minerals $1000 and up  

Featured Galleries

My Best Minerals

Classic Minerals

Gem Minerals

Natural Diamonds

Historic & Pedigreed

Crystal Oddities

Overlooked Treasures

Large Decorator-Sized

Books & Magazines

Mineral/Locality-Index

Boxed Mineral Sets

Wholesale Mineral Lots

Gift Ideas  

Locality Galleries

New England States

New York & New Jersey

Mid-Atlantic States

Midwest States

Arizona & New Mexico

Rocky Mountain States

Western States

Canada

Mexico

Brazil & South America

Britain & North Atlantic

Europe

Russia & former USSR

India, Pakistan & Afghanistan

China,_Japan_&_Pacific_Rim

Africa

Tsumeb Mine, Namibia

Milpillas Mine, Mexico

Minerals from Type Localities  

Mineral Categories

Apatite

Apophyllite

Aquamarine Beryl

Arfvedsonite

Azurite

Barite

Beryl

Bournonite

Brochantite

Calcite

Carbonates

Celestine

Cerussite

Copper

Corundum_Ruby_Sapphire

Cuprite

Datolite

Diamonds

Dioptase

Elements

Ferberite/Huebnerite

Fluorite

Galena

Garnets

Gem Minerals

Gold

Halides

Hematite

Herkimer Diamonds

Heulandite

Inesite

Jeremejevite

Kinoite

Liddicoatite_Tourmaline

Ludlockite

Magnetite

Malachite

Microcline_&_Albite

Mimetite

Molybdates,_Arsenates,_Vanadates

Natrolite_Mesolite_Scolecite etc.

Oxides

Phosphates

Phosphohedyphane

Prehnite

Pyrite

Pyromorphite

Quartz

Ramsdellite

Rhodochrosite

Silicates

Silver

Smithsonite

Sphalerite

Sulfates

Sulfides/Sulfosalts

Tanzanite

Topaz

Tourmalines

Volborthite

Vanadinite

Wulfenite

Zeolites

Fluorescent Minerals

Pseudomorphs

Laguna Agates

Uncut Diamond Crystals

Diamonds $1-$199

Diamonds $200-$399

Diamonds $400-$999

Diamonds $1000+

Diamonds under 1 carat

Diamonds 1-2 carats

Diamonds 2-5 carats

Diamonds over 5 carats

Diamond Crystal Clusters

Gem-grade Diamonds

Diamonds for Jewelry

Sawn slices of zoned diamonds  

Sorted Lists of all Minerals on this site

Sorted by Price

Sorted by Size

Sorted by Species

Sorted by Number

 

   

Jump to the Home Page to see all sections of this web site Search this web site See the best minerals and diamonds available Visit the archive of over 75,000 mineral photographs Sign up for advance email notification when new minerals are posted Contact the owner via telephone or email Place an order for items on this web site

 

 

 

© John Betts - Fine Minerals, New York , NY - All Rights Reserved.
a division of allminerals.com, dealer of Fine Minerals since 1989.  

The minerals illustrated on this site were purchased from collectors or wholesale suppliers for resale purposes. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this site. Please contact the property owner to obtain legal permission before entering private property.