Chiastolite 16mm Round - 15-16 Inch Blue Porcelain Agate It's defined by a bright

It's defined by a bright green color

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins

or some degree of pink in between

These inclusions consist of iron

It is known for its abstract designs in rusty red

Chiastolite 16mm Round - 15-16 Inch Blue Porcelain Agate It's defined by a brightChiastolite is also known as the Cross Stone for the cross matrices of browns, blacks, tans and golden tones that occur naturally within the stone. A variety of Andalusite, it is believed to bestow strength, power and perseverance and is also considered a calming and protective stone.