7.3" Blue, Botryoidal Aragonite Formation - China

This is a beautiful formation of blue-green colored aragonite, from Yunnan Province, China. This specimen has a bizarre, silly-string like, stalactitic appearance. When viewing the mineral under UV lighting, this specimen fluoresces a faint, violet color.

This specimen comes with an acrylic display stand.

Aragonite is a carbonate mineral with the chemical composition of CaCO3. It is a pseudomorph after calcite and varies in colors depending on impurities. It displays a translucent to white color when pure, and when impure can vary between yellow, green, pink, blue and brown. Typically forming in low temperature hydrothermal veins, It is also known to form in hot springs, as precipitates from chemicals in sedimentary rock, and in some cases as crystals in fossilized sea creatures.
Wenshan Autonomous Prefecture, Yunnan Province, China
7.3" long, 3.6" wide