Staurolite Crystals from the Kola Peninsula, Northern Region


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These staurolite crystals are from Pestsovye Keivy, Keivy Mountains in the Kola Peninsula, Murmanskaya Oblast, Northern Region, Russia. This area contains 13 different minerals and it known for the well defined staurolite crystals found there. Staurolite is a silicate that contains the elements Fe, Al, Si, O and H. Twinned crystals form crosses of 60 and 90 degrees. This specimen consists of a mica schist matrix that contains exposed staurolite crystals. The major crystal is a sixty-degree penetration twin, Saint Andrew’s Cross, measuring approximately 28 mm long. The piece measures 2 1/2 x 1 7/8 x 13/16 inches or 64 x 47 x 21 mm.

Additional information

Weight6 oz