Disthen / Cyanite 200gramms

200 Gramms of Disthen / Cyanite from brasil.
Disthene / Cyanite rough stone from Brazil.
Very nice rough crystals Cyanite or Kyanite as I would write the gemstone in German.
Kyanite crystal pieces.
More and more the kyanite is processed from the rough stone to high quality jewelry and also processed in cabochon form to silver jewelry.
Mohs hardness: 6-7 across the crystal, 4-4.5 lengthwise to it
Density: 3.53-3.69;
Cleavage: completely fibrous, spherical fracture
Streak color: white
Transparency: transparent to translucent

We supply one or more pieces of disthene rough depending on price and/or size.

With size/weight/quality: narrow you get approx. 200 grams of disthene or cyanite from different pieces from 5 to 40 grams without mother rock all approx. 5 to 7 cm long.