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Chiavennite : CaMnBe2Si5O13(OH)2·2H2O | |
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Utö Island, Haninge, Stockholm, Södermanland, Sweden Platy, hexagonal crystals of chiavennite, approx. 2.5 mm across |
| © Bertil Otter | Photo ID: 22108 View Count: 644 |
Friedelite : (Mn,Fe)8Si6O15(OH,Cl)10 | |
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Utö Island, Haninge, Stockholm, Södermanland, Sweden Thin, platy and complex crystal of friedelite. Image width 5 mm. |
| © B. Otter | Photo ID: 22197 View Count: 420 |
Graftonite : (Fe2+,Mn2+,Ca)3[PO4]2, Triphylite : LiFe2+[PO4] | |
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Rånö Island, Haninge, Stockholm, Södermanland, Sweden Graftonite with irridscent purpul Triphylite Sample size: 7 X 3 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 129874 View Count: 118 |
Holmquistite : ☐[Li2][Mg3Al2][(OH)2|Si8O22] | |
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Utö Island, Haninge, Stockholm, Södermanland, Sweden Sprays of bluish black holmquistite in black amphibole skarn, from the type locality. Field of view 4 cm. |
| © B. Otter | Photo ID: 24042 View Count: 463 |
Holmquistite : ☐[Li2][Mg3Al2][(OH)2|Si8O22] | |
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Utö Island, Haninge, Stockholm, Södermanland, Sweden Holmquistite. Field 2 mm Photo and Collection Christophe Boutry |
| © C.Boutry | Photo ID: 163336 View Count: 110 |
Holmquistite : ☐[Li2][Mg3Al2][(OH)2|Si8O22] | |
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Utö Island, Haninge, Stockholm, Södermanland, Sweden Typically elongated crystals of lithium-rich amphibole holmquistite, up to 1.15 mm long (for the lower-left one). Jarek Skupniewski (Paleonet) specimen - thanks! |
| © Ł Kruszewski 08 | Photo ID: 191105 View Count: 65 |
Ice : H2O | |
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Haninge, Stockholm, Södermanland, Sweden Ice crystals in small cavity in snow. November 20th 2004. Temperature -12 degrees C. Field of view 3 cm. |
| © B. Otter | Photo ID: 23268 View Count: 581 |
Milarite : K2Ca4Al2Be4Si24O60·H2O | |
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Utö Island, Haninge, Stockholm, Södermanland, Sweden Twin crystals of transparent milarite in small vug. Image width 5 mm. |
| © B. Otter | Photo ID: 22195 View Count: 460 |
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Utö Island, Haninge, Stockholm, Södermanland, Sweden Specimen dimension is 6 cm x 3.5 cm. Self-collected on the island of Utö in Sweden. I had PXRD analysis by Attard XRD Services conducted on the amber and pink crystals in this specimen. The analysis suggests Na-rich nambulite (the pink crystals, up to 8 mm); in view of unknown Li:Na ratio, natronambulite cannot be excluded. The amber and ... |
| Photo ID: 257668 View Count: 21 | |
Petalite : LiAlSi4O10 | |
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Utö Island, Haninge, Stockholm, Södermanland, Sweden Pinkish, translucent piece of petalite from the type locality. Specimen size 5x3 cm |
| © B. Otter | Photo ID: 23782 View Count: 507 |
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