The individual gemstone beads are faceted rondelle shaped and range in size from 3 to 5

the bead strand contains over 51ct of natural Opal beads

5 Carats / 22

Dimensions:  54x37x20 mm / 2

Dimensions: 90x65x37 mm / 3

Star Mica Metamorphic Rock with Quartz | 51.4g | Muscovite | Brazil IIAB The individual gemstone beads areThis 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