Spinel Archive


Spinel Facts

Spinel Facts by Spinel  Properties Chemical Composition It is Magnesium Aluminum Oxide having the chemical formula MgAl2O4. Colours Red, blue, green, orange, mauve, violet, yellow, purple, brown and black. …

Spinel Identification

Spinel Identification by Erum Qureshi A gemstone purported to be a spinel undergoes stringent tests in the lab for authenticity and grades (i.e. quality). It has distinctive characteristics and …