A note on grandidierite from Fort Dauphin, Madagascar
Chemical, optical and X-ray data are given for the grandidierite from Fort Dauphin, Madagascar. The crystal form of the mineral was studied. Infrared absorption data indicate boron to be in a threefold coordination. The simplified formula MgAl3(BO3)(SiO4)O2 is proposed.
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Geological Society of Finland
1969-12-01
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| Series: | Bulletin of the Geological Society of Finland |
| Online Access: | http://www.geologinenseura.fi/bulletin/Volume41/sgs_bt_041_pages_071_074.pdf |