Multi Spinel 3mm Table Cut Cube - AA Grade - 15-16 Inch hps_11142024 ranges in color from blue-green

ranges in color from blue-green to green

Iron gives them blue

Porcelain Agate is a natural agate that is dyed and heated to give it the unique blue color and pattern that resembles porcelain

Mookaite is a variety of Jasper in colors of red

These needle to like black inclusions of Tourmaline are quite striking within the clear

Multi Spinel 3mm Table Cut Cube - AA Grade - 15-16 Inch hps_11142024 ranges in color from blue-greenSpinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not only has the dark color, but it is opaque as well, rendering its black especially deep and mysterious. Sometimes called the "Black Prince's Ruby" for its role in the English crown. It has been mistaken for ruby and sapphire at times, but can be distinguished by its structure and its lower relative hardness.