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Cummingtonite : [ ][Mg2][Mg5][(OH)2|Si8O22], Manganogrunerite : [ ][Mn2+2][Fe2+5][(OH)2|Si8O22] | |
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North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co., New South Wales, Australia Width of field is 7.0 mm. Collection aaaaand photo Jesse Crawford. The depth of field has been enhanced using Helicon Focus (12 exposures). Equipment: Nikon D-100 on a homemade microscope. Black cummingtonite in fibrous radial manganogrunerite crystals. |
| © 2008 Jesse Crawford | Photo ID: 174733 View Count: 76 |
Cummingtonite : [ ][Mg2][Mg5][(OH)2|Si8O22] | |
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Gèdres, Héas valley, Luz-Saint-Sauveur, Hautes-Pyrénées, Midi-Pyrénées, France Size: 7,5 x 4,5 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 91117 View Count: 365 |
Cummingtonite : [ ][Mg2][Mg5][(OH)2|Si8O22] | |
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I Mondei (Ca' Mondei), Montescheno, Antrona Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy Overall size 8x6x3 cm. Group of radiating crystals immersed in quartzite matrix. Photo and private collection of Marco Macchieraldo. |
| © Marco Macchieraldo | Photo ID: 176455 View Count: 125 |
Cummingtonite : [ ][Mg2][Mg5][(OH)2|Si8O22] | |
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Striberg ore field, Nora, Västmanland, Sweden Cummingtonite. Field 4 mm Photo and Collection Christophe Boutry |
| © C.Boutry | Photo ID: 138632 View Count: 195 |
Cummingtonite : [ ][Mg2][Mg5][(OH)2|Si8O22] | |
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Old garnet mine, Haddam, Middlesex Co., Connecticut, USA Crystals in matrix. Harvard Mineralogical Museum, no. 130821. Field of view is about 4 cm across. P. Cristfono photo. |
| © 2009 Peter Cristofono | Photo ID: 266508 View Count: 21 |
Cummingtonite : [ ][Mg2][Mg5][(OH)2|Si8O22] | |
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Cummington, Hampshire Co., Massachusetts, USA A 7cm specimen of Cummingtonite in matrix from the type locality. From the collection of the Philadelphia Acadamy of Natural Sciences #3079, collected by Charles U. Shepard, a prominent mineralogist of the mid to late 1800's Who was on staff of Benjamin Silliman. C. Stefano specimen #2620. |
| © C. Stefano '08 | Photo ID: 196979 View Count: 97 |
Cummingtonite : [ ][Mg2][Mg5][(OH)2|Si8O22] | |
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Cummingtonite Type Locality, Cummington, Hampshire Co., Massachusetts, USA Radiating sprays of crystal in a 2x4 inch specimen. In the Charles Creekmur collection. |
| © Charles Creekmur | Photo ID: 17868 View Count: 2270 |
Cummingtonite : [ ][Mg2][Mg5][(OH)2|Si8O22], Tremolite : ☐[Ca2][Mg5][(OH)2|Si8O22] | |
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Talcville, St Lawrence Co., New York, USA New York State Museum, specimen no. 18106. Ex- Spencer Cram collection. In shortwave and longwave UV light, cummingtonite fluoresces red; tremolite fluoresces yellow. P. Cristofono photo. |
| © 2008 Peter Cristofono | Photo ID: 164069 View Count: 115 |
Cummingtonite : [ ][Mg2][Mg5][(OH)2|Si8O22], Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS | |
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Lead District, Lawrence Co., South Dakota, USA University of New Mexico Geology Museum specimen. P. Cristofono photo. |
| © 2008 Peter Cristofono | Photo ID: 154647 View Count: 147 |
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