Mineral: | Anfibol: 45% Pargasita, 35% Edenita, 20% Richterita
| Fórmula química: | NaCa2(Mg4Al)Si6Al2O22(OH)2 / NaCa2Mg5Si7AlO22(OH) / Na(CaNa)Mg5Si8O22(OH)2 | Tamaño: | | Peso: | | Transparencia: | | Número de piezas: | | Origen: | La mina de Pyan Gyi (oeste de Pyan Pyit), al noreste de Mogok, Birmania (Myanmar) | Here you get a mixed amphibole crystal, those are still sold as pargasite but those crystals or cut stones are a mix between three different amphiboles. Analysis’s have shown that those are a combination of (Fluor-) edenite, pargasite and richterite. Here you get a rarely occurring crystal with termination, only one prism side and the base show crystalline fracture faces. Very interesting amphibole!
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