Hydrothermal created bixbite The gemstone has several different names: red beryl, red emerald, or bixbite. Originally the mineral was named bixbite, but now red beryl is the most accepted designation. Red beryl is estimated to be worth 1,000 times more than gold and is so rare that one red beryl crystal is found for every 150,000 diamonds. Petra manufacturing enterprise offers for sale bixbite crystals, grown by a method of hydrothermal regrowth of natural beryl. Material specifications (Bixbite): Synthetic Berillium Alumosilicate Chemical composition: Be3, Al2, Si6, O18 Minor chemical elements (wt./%): MnO 0.15-0.26, FeO 1.52-1.89 Crystal system: hexagonal Space group: P6/mcc Color: magenta Density (g/cm3): 2.72-2.73 Cleavage: absent Mohs hardness: 8 Fracture: uneven to conchoidal Brittleness: brittle Index of refraction: No- 1.570, Ne- 1.565 Optical character: uniaxial, negative Birefringence: 0.005 Growth method: hydrothermal process