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Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Carlton Quarry, Chester, Windsor Co., Vermont, USA Large mass of actinolite from the Carlton Talc Mine in Chester, Vermont measures 19.05 cm tall. In the Charles Creekmur collection. |
| © Charles Creekmur | Photo ID: 17541 View Count: 711 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Chester, Windsor Co., Vermont, USA Dark green spray of actinolite crystals from Chester, Windsor County, Vermont. The whole spray is 10.1cm long by 3.7cm wide. In the collection of J. Nemitz |
| © J. Nemitz | Photo ID: 186546 View Count: 165 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Carlton Quarry, Chester, Windsor Co., Vermont, USA Dark green fibrous actinolite. Self-collected in 1964. 6 x 7.5 cm. Michael Shaw Collection. |
| © Michael Shaw | Photo ID: 215949 View Count: 99 |
Actinolite : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Carlton Quarry, Chester, Windsor Co., Vermont, USA Actinolite from the Carlton Mine. 26 x 20.5 x 12 cm (the largest dimension is a little over 10 inches). Henry Minot photo and collection. |
| © Henry Minot 2009 | Photo ID: 217732 View Count: 70 |
Anthophyllite : ☐[Mg2][Mg5][(OH)2|Si8O22] | |
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Carlton Quarry, Chester, Windsor Co., Vermont, USA Harvard Museum no. 134858. Specimen is 8 + cm long. The label says: "This anthophyllite is host to chesterite, jimthompsonite, and clinojimthompsonite. Gift of prof. J. B. Thompson, Jr. 1999." P. Cristofono photo. |
| © 2007 Peter Cristofono | Photo ID: 141256 View Count: 160 |
Jimthompsonite : (Mg,Fe)5Si6O16(OH)2, Clinojimthompsonite : (Mg,Fe)5Si6O16(OH)2, Chesterite : (Mg,Fe)17Si20O54(OH)6, Talc : Mg3Si4O10(OH)2 | |
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Chester, Windsor Co., Vermont, USA An intergrowth of clinojimthompsonite, jimthompsonite, and chesterite, as fibrous bundles, with talc. S073-27 1.5 cm specimen, courtesy of Excalibur Mineral Company. Note - for some reason I had a difficult time getting the color balance correct on this specimen, color may not be quite correct. |
| © 2007, JGW | Photo ID: 140475 View Count: 209 |
Magnetite : Fe2+Fe3+2O4 | |
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Carlton Quarry, Chester, Windsor Co., Vermont, USA Octahedral magnetite crystals to 6 mm in chlorite schist. P. Cristofono specimen and photo. Ex-Harvard Mineralogical Museum collection #123518. |
| © 2005 Peter Cristofono | Photo ID: 27158 View Count: 472 |
Magnetite : Fe2+Fe3+2O4 | |
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Chester, Windsor Co., Vermont, USA Four octahedral crystals of magnetite in parallel arrangement in soft talc matrix. No damage. Matrix could be trimmed to make the specimen smaller. Overall size of mineral specimen: 6x3x2.5 cm. Size of individual crystals: 7-8 mm. |
| © 2002 John H. Betts | Photo ID: 5993 View Count: 381 |
Magnetite : Fe2+Fe3+2O4 | |
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Carlton Quarry, Chester, Windsor Co., Vermont, USA A single crystal on talc. The Field of view is 1mm. Photographed by Karl Volkman. In the Collection of Donald Volkman |
| © Don Volkman 02/06 | Photo ID: 49404 View Count: 232 |
Magnetite : Fe2+Fe3+2O4 | |
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Gassetts, Chester, Windsor Co., Vermont, USA 2.5 mm crystal. Photograph by Peter Cristofono. |
| © 2006 Peter Cristofono | Photo ID: 50374 View Count: 231 |
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