Minerals identify

Know how to recognize them

Tranquillityite

Silicate mineral group)

Tranquillityite is silicate mineral with formula (Fe2+)8Ti3Zr2 Si3O24. It is mostly composed of iron , zirconium with smaller fractions of yttrium. It is named after the Mare Tranquillitatis (Sea of Tranquility), the place on the Moon from which the rock samples in which it was found were brought during the Apollo 11 mission in 1969. It was the last mineral brought from the Moon which was thought to be unique, with no counterpart on Earth, until it was discovered in Australia in 2011.

Identification

Color of mineral

Grey
Red
Brown

Density ( specific gravity )

2.12

Crystal ( diaphaneity )

Hexagonal