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We had collected and traded crystals and minerals for many years and have now retired. We no longer have room for our specimens and are hoping to find homes for them with people who will enjoy them as much as we have. Most were collected in the 1970's at many locations that are no longer open to collecting by rockhounds such as we were. We were fortunate in making many friends who were able to take us to, or get us into, working quarries and local collecting areas. We therefore have many quality crystal specimens to offer for sale.
Please note that we took all these photos of specimens ourselves, with a 5 megapixel, non professional, digital camera, without any special lighting, touch ups or effects. Therefore most of the specimens look far better in person.
We hope to be adding an album of photos taken at the time we were crystal collectors, in our younger years, which we hope you might enjoy. We will add to this as time permits us to locate the photos.
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Location: Davis Mine, Rowe, Massachusettes Size: 9.8 x 6.2 x 4.5 cm.
Item #: M319
Comments: Unique and unusual specimen of globular balls of limonite all over except for an area where it appears to have pseudomorphed after sticks or roots.
April 30th, 2008
New Updates Posted!
April 22nd, 2008
New Updates Posted!
April 15th, 2008
New Updates Posted!
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Updated daily to weekly for the collector, educator and researcher since 1996. We specialize in Black Hills of South Dakota Minerals.
We upload 5 minerals a day in addition to our usual weekly updates and Auctions.
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Location: Huanzala Mine, Huallanca District, Huánuco Department, Peru Size: Overall 7x5x4cm
Item #: 18748
Comments: Excellent and showy sulfide specimen with hopperd or skeletal
April 21st, 2008
As per our usual daily activities here at Dakota Matrix, we have updated our "back room" galleries with several specimens. Here is the list for last week: Arthurite with Olivenite, Clinoclase on Strashimirite, Molybdenite, Tyrolite with Metazeunerite, Langite. Bismutocolumbite, Lemanskiite, Scapolite (old specimen), Zalesiite, Schneiderhohnite. Iranite, Epididymite (MSH), Legrandite, Labuntsovite, Woodalite. Thaumasite, Cafarsite (Swiss), Scheelite (Russian), Copper, Topaz (German). Rhodochrosite, Rhodochrosite, Paratacamite, Wulf



