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Gypsum : Ca[SO4] · 2H2O | |
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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA Field of view ~ 4 mm |
| © Scott Whittemore | Photo ID: 33415 View Count: 318 |
Gypsum : Ca[SO4] · 2H2O | |
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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA A specimen of Gypsum 'Flowers' formed post-mining by weathering of pyrite. This specimen is really quite beautiful in person and it is very difficult to photograph. I collected this specimen (very carefully) in the early summer of 2006. It is about 8cm in width by 6cm tall. |
| © 2006 Jeremy Zolan | Photo ID: 82793 View Count: 191 |
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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA Sample with 7x5x3cm - August of 2008 |
| © Martins da Pedra | Photo ID: 183258 View Count: 154 |
Margarodite, Margarite : CaAl2[(OH)2|Al2Si2O10] | |
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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA Polished specimen of margarodite pseudomorph after a large topaz crystal from one of the greisen-like (pseudogreisens, as I fondly call them) hydrothermal veins in Old Mine Park, Trumbull, Connecticut. The topaz crystal has been completely altered to a porcellaneous mixture of micas. It is interesting to note that XRF analyses of this material ... |
| Photo ID: 227809 View Count: 188 | |
Quartz : SiO2 | |
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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA This 8.4cm quartz crystal cluster was found at a site I blasted on the eastern border of Old Mine Park in 1988. |
| © Michael Otto | Photo ID: 222604 View Count: 46 |
Quartz : SiO2 | |
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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA Quartz crystals and unidentified black mineral crystals. The specimen is @ 7.6cm in height. |
| © Michael Otto | Photo ID: 222608 View Count: 36 |
Quartz : SiO2 | |
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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA This 3.4cm crystal was found at a site I blasted in 1988 which bordered Old Mine Park's eastern side. |
| © Michael Otto | Photo ID: 222605 View Count: 35 |
Quartz : SiO2, Rutile : TiO2 | |
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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA This 2.5cm quartz crystal has a black needle like inclusion right down the center of the crystal. The inclusion is apparantly rutile. I collected it at a site I blasted bordering Old Mine Park in the late 1980's. |
| © Michael Otto | Photo ID: 228647 View Count: 23 |
Quartz : SiO2 | |
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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA I found this 12cm. x 13cm. specimen in the early 1980's on the eastern border of Old Mine Park. |
| © Michael Otto | Photo ID: 257074 View Count: 12 |
Quartz : SiO2 | |
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Hubbard Tungsten Mine (Long Hill Mine; Old Tungsten Mine; Old Mine Park), Trumbull, Fairfield Co., Connecticut, USA This 3.5cm.x2cm. quartz crystal was collected on the eastern border of the park in the late 1980's. |
| © Michael Otto | Photo ID: 268859 View Count: 3 |
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