Half muscovite, half biotite
Sophie Graul
Tallinn University of Technology, Tallinn, Estonia and France
Unusual specimen with a crystal being half muscovite and half biotite.
From a pegmatite vein in the Cap de Creus intruding host metamorphic rocks.
Reuse
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) (opens in a new window)Credit: Sophie Graul (distributed via imaggeo.egu.eu)
Properties
Type
Image
Format
PNG
Size
6.0 MB
Aspect
4019:1265
Width
4019 px
Height
1265 px
Panorama
Coordinates
42.3195, 3.3219
Tint
White
Submitted
1 October 2026
Taken
July 2024
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