jafiro 38
jafiro is incorrectly written, and should be written as "Sapphire" being its meaning: It is a mineral composed of oxides of aluminum, iron and titanium in bright blue, although there it other colors, whose chemical formula is Al2O3 and hard 9 on the Mohs scale. It is used primarily in jewelry as precious stone. Also it can be artificially manufactured since the beginning of the 20th century.