NOTES: Fine-grained and polycrystalline with at least four phases, two of which can’t be distinguished easily in BSE images. Not clear which, if any of this is actually gedrite. No analyses given here.
Position
73
Mineral
Gedrite?
Sample Name
Ged
Type
Amphibole
Nominal formula
[ ](Fe,Fg)2(Mg,Fe,Al)5(Si,Al)8O22(OH)2
Supplier
Cannon Microprobe, Seattle, WA
Source
Ludistska, Sweden
Original reported analysis
–
Composition quality
Questionable
Comments
Fine-grained intergrowth of several different things, and maybe one of them is actually gedrite.