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2-gram Metal Ore Copper rich Impact Breccia from the famous Sudbury Astrobleme Impact Structure in Ontario Canada
Its dimensions are 59x58x37mm
between 10h45m and 11 h 00m local time
Color: Fine Sky Blue
Shape: Oval Diamond Cut
Star Mica Metamorphic Rock | 13.5g | Muscovite | Brazil | SO24 Sudbury 2-gram Metal Ore Copper richThis 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
