Corundum (var. Sapphire)
Myanmar - Asia
Al2O3
Description
Stack of flat hexagonal well formed blue crystals, the largest crystal being transparent with a beautiful deep blue color.
Mogok, Sagaing Division, Mandalay
Probable extraction year
2012
From the Tamil kuruntam, which probably came from the Sanskrit kuruvinda for ruby, and the Latin sapphīrus which comes from the Greek sappheiros, which may have come in turn from a Semitic word meaning blue-colored stone.
Class
4 - Oxides and Hydroxides / Oxides
Dimensions (length x with x height in cm)
2.5x4x3.5
Hardness (Mohs)
9
Density (G/cm3)
4.1
Publication
"Gemstones - Terra Connoisseur", "Paragénesis - Revista de Mineralogía 2019-2", “Mineralogical Record, Jan-Feb 2022”