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Opal (Var: Fire Opal) : SiO2·nH2O | |
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Zimapán, Mun. de Zimapán, Hidalgo, Mexico Field of view 2 cm - Photo & collection M.Mader |
| © 2005 - MMI | Photo ID: 33548 View Count: 420 |
Opal (Var: Jelly Opal) : SiO2·nH2O | |
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Zimapán, Mun. de Zimapán, Hidalgo, Mexico This jelly opal is found in ryolite. This opal has some colour in it. The size of this opal is 4x3,5cm. Photo, John nijhuis. |
| © J.N | Photo ID: 45167 View Count: 990 |
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