Star Mica Metamorphic Rock with Quartz | 43.7g | Muscovite | Brazil | SO24 IAB-MG The glass was discovered during

The glass was discovered during an expedition of an international scientific community in 1932

Color: Color Change Olive Green to Pink

5 billion years

Clymenia (1) is a genus in the ammonoid order Clymeniida

Dimensions: 52x34x36 mm / 2x1

Star Mica Metamorphic Rock with Quartz | 43.7g | Muscovite | Brazil | SO24 IAB-MG The glass was discovered duringThis is a specimen of Star Mica or Muscovite and Quartz cluster. These clusters show crystals that grow in sheets or book formations. It is silvery gold with good transparency when held up to the light. The name Muscovite comes from the term Muscovy Glass which was a name for the thick sheets of Mica used as a substitute for glass Russia. The name Mica is derived from the Greek word that means to split. On this nice specimen, the matrix faces are