Mineral: | Spinel | Chemical Formula: | MgAl2O4 | Size: | | Weight: | | Transparence: | | Quantity: | | Origin: | Li Chaung Gyi mine, near Ohngaing (Ohn Gaing; Ohn Kai) village, north of Mogok, Burma (Myanmar) | A big trapiche spinel crystal a multiple pseudomorphosis after sapphire. The sapphire was replaced by spinel, typical you can see crack line parallel to the c-axis the due to the difference in volume between spinel and sapphire. Both ends showing flat termination and no damage, disclosing the trapiche pattern. Interesting specimen of this are pseudomorphosis..

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