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small crystallized pyrite matrix
Clarity: VSI (Very Slightly Included)
Clarity: Transparent
This is a fabulous specimen of Black kyanite and quartz mined in Marilac
Star Mica Metamorphic Rock with Quartz | 37.4 grams | Muscovite | Brazil | SO24 Hydroxylherderite small crystallized pyrite matrixThis 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
