Dravite – Blue Tourmaline from the Kokcha Valley, Badakshan


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This dravite tourmaline is from the Kokcha Valley in Badakshan, Afghanistan. It is in the uvite-dravite series of tourmaline and different sources list as being in both. It is a silicate and it contains the elements Na, Mg, Al, Si, O, B, and H. This specimen consists of a fuchsite matrix that hosts a somewhat rare blue tourmaline  The crystals have trigonal-pyramidal morphologies. They have a slight translucence  near the surface under bright light.  It measures 1 3/4 x 1 1/4 x 1 7/8 inches or 45 x 32 x 48 mm.

Additional information

Weight7 oz