Blauer Aragonit aus Afghanistan (1785g) - Außergewöhnliche Grossstufe Aragonit This effect is a purely

This effect is a purely natural phenomenon and makes each slice a fascinating optical experience

In its pure form

Avoid prolonged contact with water and chemical cleaning agents

Each specimen is a unique piece of nature

intense coloring

Blauer Aragonit aus Afghanistan (1785g) - Außergewöhnliche Grossstufe Aragonit This effect is a purelyBlue 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