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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland Greenish tiny grains of alluaudite covering and beeing surrounded by flesh-coloured massive triplite. The small cavity close to the photo center is 1 mm wide. Specimen obtained at Tisnov show, May 2008. |
| © Ł Kruszewski 2007 | Photo ID: 176426 View Count: 120 |
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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland Fluorapatite crystals to 4 mm from Viitaniemi, Eräjärvi, Finland. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 57480 View Count: 262 |
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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland Fluorapatite-Mn, in purplish crystals, with fluorite and quartz. Collected by A. Österlöf 5/20/77. Alan Goldstein specimen (#8170) and photo. FOV = 1 cm |
| © Alan Goldstein | Photo ID: 93891 View Count: 165 |
Apatite-(CaF) (Var: Mn-bearing Apatite-(CaF)) : (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn3+]O4)3(F,Cl,OH), Quartz : SiO2 | |
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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland Another slightly bigger apatite crystal (5 mm) in a qz and kaolin filled cavity-Viitaniemi, Finland. AÖ specimen and photo. |
| © AÖ | Photo ID: 163290 View Count: 111 |
Apatite-(CaF) (Var: Mn-bearing Apatite-(CaF)) : (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn3+]O4)3(F,Cl,OH), Albite (Var: Cleavelandite) : Na[AlSi3O8] | |
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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland A number of small (3-4mm) blue Apatite crystals with cleavelandite from the wellknown Viitaniemi pegmatite, Finland. Full specimen is around 60x80x120 mm, AÖ specimen and photo. |
| © AÖ | Photo ID: 163294 View Count: 89 |
Beryllonite : NaBe[PO4], Hurlbutite : CaBe2[PO4]2, Albite (Var: Cleavelandite) : Na[AlSi3O8] | |
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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland Beryllonite and hurlbutite in the same specimen, exchanged with F. Sandström (-79). The beryllonite (blue arrow, area ~8x8 mm) show typical cross-cleaveges, hurlbutite (red arrow) the different brown shades depend on material thickness. Cleavelandite under the arrows (upper right) and the more brownish 5 mm in bottom. Specimen ~45x45x50 mm, A. ... |
| © AÖ | Photo ID: 94621 View Count: 229 |
Columbite-(Fe) : FeNb2O6 | |
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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland Size of crystal 2x2 cm. |
| © B. Otter | Photo ID: 22663 View Count: 605 |
Columbite-(Fe) : FeNb2O6 | |
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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland A 1 cm crystal of Ferrocolumbite from Viitaniemi, Eräjärvi, Finland. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 61086 View Count: 242 |
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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland White spherulitic agregates of strontian crandallite (yellow arrowed) on boundary of large grey montebrasite monograin and pink coarse-grained agregate of morinite. Composition of the crandallite is (Ca.59Sr.39Ba.03)1.01Al3[PO4]2(OH)5*H20. Specimen size is 4.5x3x2 cm. Collected by Ilkka Mikkola before 2008. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 198591 View Count: 129 |
Dravite : [Na][Mg3][Al6][(OH)3|OH|(BO3)3|Si6O18] | |
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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland Group of crystals in schist. Field of veiw 2cm across. Photographed by, and in the collection of, Karl Volkman |
| © Karl Volkman | Photo ID: 7680 View Count: 456 |
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