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16.4.5: Goshenita

Última actualización

30 oct 2022
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- 16.4.4: Vanadio Berilo
- 16.4.6: Berilo Verde

gemology
Gemology Project

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Goshenita
Composición química	Be ₃ Al ₂ (SiO ₃) ₆ Silicato de aluminio y berilio
Sistema de cristal	Hexagonal
Hábito	Prismático
Escote	Pobre, basal
Fractura	Concoidal a desigual
Dureza	7.5
Naturaleza óptica	Uniaxial -
Índice de refracción	1.57 - 1.59
Birrefringencia	0.004 - 0.009
Dispersión	Bajo, 0.014
Gravedad específica	2.7 - 2.9
Lustre	Vítreo
Pleocroísmo	Ninguno

Archivo:Béryl var. goshénite 1 (Chine) .jpg

Figura $\PageIndex{1}$ :
Xuebaoding de Goshenita Incoloro, Pingwu, Provincia de Sichuan, China

La goshenita es la variedad incolora de berilo y lleva el nombre de Goshen en el condado de Hampshire, Massachusetts, Estados Unidos (una de las localidades donde se encuentra esta gema).

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