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September 3, 2014

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Aegirine (var: Titanoan Aegirine)

Locality: Myan Gyi mine (Myaing-Gyi mine), Thurein-taung, Kyauk-Pyat-That, Mogok Township, Pyin-Oo-Lwin District, Mandalay Division, Burma (Myanmar)

Posted by: Pavel Kartashov

Short-prismatic double-terminated crystal of dark-green almost black Titanoan Aegirine naturally etched from some soluble (carbonate or feldspatoid) rock. Despite the crystal was found in stream alluvium, it is in exellent condition - very fine growth sculptures of its surface were completely preserved. According to our analytical data the mineral contain about 95 at.% of aegirine end member and TiO2 content in it is 1.4 mas.%. The crystal size is 21x8x7 mm and its weight is 1.79 g. The specimen was obtained for identification from Sieghard Ellenberger (Crystal-Treasure), whom I am sincerely ...

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