Sep
12
Natural Red Spinel Rough Stone from Vietnam
Vietnamese Red Spinel Rough from Luc-Yen Mine. I have passed many Red Spinels in my gem life. but, It was hard to find like this bright color Red Spinel with low Iron content. Spinel is the magnesium–aluminum member of the larger spinel group of minerals with chemical formula MgAl₂O₄. Spinel is actually a large group […]