Orthoclase Feldspar var Hyalophane, faceted, Bosnia and Herzegovina. 3.78 carats.

A colourless gemological rarity, hyalophane is a barium-rich member of the orthoclase feldspar series. Only found in a few sources globally, this gem comes from the zagradski potok mine in central bosnia and at 3.87 carats in weight is a large gem for this extremely rare species. The inclusions, consisting of faint liquid planes, are relatively light for a gem of this size. A highly collectable connoisseurs gem. Dimensions: 11.51 x 6.74 x 6.45 mm.

All images are of the gemstone on offer here and were taken by gemgazer. This item is made of hyalophane feldspar.