Mineral: | Serendibite
| Chemical Formula: | Ca2(Mg,Al)6(Si,Al,B)6O20 | Size: | | Weight: | | Transparence: | | Quantity: | | Origin: | Ohngaing (Ohn Gaing; Ohn Kai) village, near Mogok, Burma (Myanmar) | This is a very good example for a quite big prismatic and terminated Serendibite. You can see the polysynthetic twinning parallel to the prism faces. The termination is quite good developed for this mineral only small damage along one prism side. The surface is kind of etched and shows multiple faces interrupted by the fascinating twinning lines. A great reference specimen from Burma with a weight over 16 carat.
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