Mineral: | Corundum, Variety Ruby / Calcite
| Chemical Formula: | Al2O3 / CaCO3 | Size: | 31,5 x 18,9 x 17,7
crystal: 13,1 x 12,1 x 5,5 mm | Weight: | | Transparence: | | Quantity: | | Origin: | Dattaw Mine, north of Mogok, Burma (Myanmar) | Relatively big ruby crystal on calcite freestanding specimen with trigonal growing marks on the surface and good luster. On the backside tiny damage almost not visible. Apart from this allover terminated. Nice specimen from the Dattaw mine!
| 
