0890 Pargasite, Spinel, Lục Yên District, Yên Bái Province, Vietnam

Two green pargasite crystals in a marble matrix, one of which (pictured) overgrows a barely visible red spinel, really only visible under UV. Width of view 8.6mm. Stack of 25 images (white light), 20 images (longwave UV).

Use the slider to see specimen under white light and longwave UV.

[twenty20 img1=”17663″ img2=”17662″ before=”Longwave UV” after=”White Light”]

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