Nov
19
Bi-Color Spinel Octahedron Crystal
Natural Bi-Color Spinel Crystal Sri Lanka Ceylon Natural Bi-Color Spinel Crystal from Alluvial Gem Deposit. It was bit deep color but, Inside Color is really nice. It is 5.05 Cts weight transported octahedron crystal from Rakwana, Sri Lanka. Spinel is the magnesium-aluminum member of the larger spinel group of minerals with chemical formula MgAl₂O₄. Spinel is […]