Tugtupite: Gemstones Information

Tugtpite is Na4AlBeSi4O12Cl and forms fine-grained aggregates of characteristic cyclamen colour; crystals are very small, tetragonal,pseudocubic, showing short prisms with pyramids and sphenoids. The hardness is about 4 and the SG 2.33–2.35. The RI for the ordinary Tugtpite is Na4AlBeSi4O12Cl and forms fine-grained aggregates of characteristic cyclamen colour; crystals are very small, tetragonal,pseudocubic, showing short prisms with pyramids and sphenoids. The hardness is about 4 and the SG 2.33–2.35. The RI for the ordinary