| Reference Type | Journal (article/letter/editorial) |
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| Access Rights | Open Access |
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| Title | Haapalaite, a new nickel-iron sulphide of the valleriite type from East Finland |
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| Journal | Bulletin of the Geological Society of Finland |
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| Authors | Huhma, Maija | Primary Author |
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| Vuorelainen, Y. | Secondary Author |
| Häkli, T.A. | Secondary Author |
| Papunen, Heikki | Secondary Author |
| Year | 1973 (December) | Volume | < 45 > |
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| Issue | < 1-2 > |
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| DOI | doi:10.17741/bgsf/45.2.001Search in ResearchGate |
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| Generate Citation Formats |
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| Original Entry | Muhma, M., Vuorelainen, Y., Häkli, T.A., Papunen, H. (1973) Haapalaite, a new nickel-iron sulphide of the valleriite type from East Finland. Bulletin of the Geological Society of Finland: 45: 103-106. |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 16111191 | Long-form Identifier | mindat:1:5:16111191:5 |
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| GUID | 0 |
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| Full Reference | Huhma, Maija, Vuorelainen, Y., Häkli, T.A., Papunen, Heikki (1973) Haapalaite, a new nickel-iron sulphide of the valleriite type from East Finland. Bulletin of the Geological Society of Finland, 45 (1-2) 103-106 doi:10.17741/bgsf/45.2.001 |
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| Plain Text | Huhma, Maija, Vuorelainen, Y., Häkli, T.A., Papunen, Heikki (1973) Haapalaite, a new nickel-iron sulphide of the valleriite type from East Finland. Bulletin of the Geological Society of Finland, 45 (1-2) 103-106 doi:10.17741/bgsf/45.2.001 |
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| In | Link this record to the correct parent record (if possible) |
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| Abstract/Notes | Haapalaite is a valleriite type mineral with the composition of [Fe1.26Ni.74S2]1.610[Fe.16Mg.84(OH)2]. The mineral occurs as an accessory in a serpentinite body in Finnish Northern Karelia about 33 km NNW of the Outokumpu mine. Haapalaite is hexagonal with a0 = 3.64 Å and c0 = 34.02 Å. The strongest lines of the X-ray powder pattern are 11.34 (003), 5.67 (006), 1.841 (10.15), and 1.821 (110). The mineral shows a distinct pleochroism in reflected light; light brown to greyish brown. Anisotropism is strong; brown-red, greyish white. Its microhardness ranges from 9 to 11 with a 3 g load. |
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