Mineral: | Corundum, Variety: Ruby & Sapphire
| Chemical Formula: | Al2O3 | Size: | 11,3 x 9,8 x 4,9 - 5,8 x 4,5 x 3,6 mm | Weight: | | Transparence: | translucent - transparent | Quantity: | | Origin: | Mogok Stone Tract, Mandalay Division, Burma (Myanmar) | 2 Rubies are showing a deep violet- red hue while the other two rubies disclosing a vivid raspberry red. The 4 rubies include the bipyramidale one are totally undamaged floater crystals . One of the sapphire has one crystalline fracture face. Interesting corundum collection from Burma
| 
