Occurrence and mineralogy of the margarite- and muscovite-bearing pseudomorphs after topaz in the Juurakko pegmatite, Orivesi, southern Finland
Margarite- and muscovite-bearing pseudomorphs after topaz are described from the Juurakko pegmatite dyke, Orivesi, southern Finland. A supercritical vapour phase rich in calcium and alkalies caused alteration of topaz and some other silicates during final phase of crystallization of the dyke. The or...
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| Format: | Article |
| Language: | English |
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Geological Society of Finland
1988-06-01
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| Series: | Bulletin of the Geological Society of Finland |
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| Online Access: | http://www.geologinenseura.fi/bulletin/Volume60/sgs_bt_060_1_pages_027_043.pdf |