Columbite-tantalite and albite inclusions in aquamarine

Weight: 5.38 g
Size: 20.6 x 13.5 x 12.3 mm

€88,00

 

Sample type: unpolished crystal
Origin: Pakistan
Comment: Fantastic fan-like group of columbite-tantalite needles, together with idiomorphic colorless albite crystals!
Scanning Electron Microscopy (SEM) confirmed inclusion identification of columbite-tantalite, forming dark brownish needles and often fan and star shapes. Colorless crystals included in the same aquamarine samples were identified by SEM as albite.

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