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Diaspore : AlO(OH) | |
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Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA Harvard Mineralogical Museum specimen no. 99389. Label is about 5.5 cm long. P. Cristofono photo. |
| © 2007 Peter Cristofono | Photo ID: 98589 View Count: 328 |
Diaspore : AlO(OH) | |
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Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA 10.0 x 4.8 x 1.9 cm. A classic aluminum-containing mineral species from a very old American locality that was so important it was mined up. The diaspore was one of the two chiefly sought after minerals at the site. The diaspore, when deeply violet colored, is superb. This specimen has some decent color to it. Note the flat-lying but clearly ... |
| © Rob Lavinsky | Photo ID: 202030 View Count: 87 |
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Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA 7.0 x 3.7 x 0.8 cm. Pearlescent, highly lustrous, diaspore plates in nifty juxtaposed angles on a thin crust of matrix form a very showy specimen on this old-time piece from the Chester Emery Mines of Massachusetts. Diaspore is an uncommon aluminum hydroxide and this is highly representative of the species and famous locale. The color is very good ... |
| © Rob Lavinsky | Photo ID: 203224 View Count: 82 |
Diaspore : AlO(OH) | |
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Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA Micro purple diaspore crystals. Field of view is about 3 mm across. Harvard Mineralogical Museum, no. 96520. P. Cristofono photo. |
| © 2009 Peter Cristofono | Photo ID: 223049 View Count: 62 |
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Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA This specimen consists of a group of lustrous parallel Diaspore crystals on one side and a box-work of intersecting crystals on the other side. Specimen size is 3.6cm x 2.02cm x 1.69cm. |
| © Jasun McAvoy | Photo ID: 257533 View Count: 15 |
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