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Opal : SiO2·nH2O | |
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Opo Bay (South East Bay), Mayor Island (Tuhua), New Zealand Precious opal. FOV = ~2.5 mm. Collection and photograph of Rod Martin |
| Photo ID: 63339 View Count: 267 | |
Tuhualite : (Na,K)2Fe2Fe2Si12O30·H2O | |
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Opo Bay (South East Bay), Mayor Island (Tuhua), New Zealand Tuhualite crystals from collection of Volker Hoppe, collected at Mayor Island in October 2001. Field of view 1mm, photo by Judy Rowe |
| © Judy Rowe | Photo ID: 66924 View Count: 555 |
Tuhualite : (Na,K)2Fe2Fe2Si12O30·H2O | |
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Opo Bay (South East Bay), Mayor Island (Tuhua), New Zealand Purple/dark blue xls of Tuhualite. Field of view 3 mm. Specimen was collected by Volker Hoppe at Mayor Island in oktober 2001. Specimen and photo Leon Hupperichs. |
| © Leon Hupperichs | Photo ID: 96831 View Count: 145 |
Tuhualite : (Na,K)2Fe2Fe2Si12O30·H2O | |
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Opo Bay (South East Bay), Mayor Island (Tuhua), New Zealand Purple/dark blue xls of Tuhualite. Field of view 3 mm. Specimen was collected by Volker Hoppe at Mayor Island in oktober 2001. Specimen and photo Leon Hupperichs. |
| © Leon Hupperichs | Photo ID: 96828 View Count: 142 |
Tuhualite : (Na,K)2Fe2Fe2Si12O30·H2O | |
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Opo Bay (South East Bay), Mayor Island (Tuhua), New Zealand Purple/dark blue xls of Tuhualite. Field of view 2 mm. Specimen was collected by Volker Hoppe at Mayor Island in oktober 2001. Specimen and photo Leon Hupperichs. |
| © Leon Hupperichs | Photo ID: 96825 View Count: 112 |
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