Blauer Aragonit aus Afghanistan (1211g) Türkei Formel: FeS21

Formel: FeS21

created by nature over millions of years

ist jedes Stück ein einzigartiges Unikat – leichte Abweichungen in Form

not from an anonymous warehouse

Iris Agate slices unfold their full magic when held up to the light or placed on a windowsill

Blauer Aragonit aus Afghanistan (1211g) Türkei Formel: FeS21Blue aragonites are a rare form of aragonite, a carbonate mineral . Aragonite crystallizes in the orthorhombic crystal system with the chemical formula CaCO3, so chemically it is a calcium carbonate. There is a special variety of aragonite called zeiringite, which occurs as a sinter formation near copper deposits . Microscopic inclusions of auric chalcite color the aragonite in various blue tones and in many cases cause a silky shimmer (otherwise