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16.33: Dioptasa

Última actualización

30 oct 2022
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- 16.32: Diáspora
- 16.34: Ekanita

gemology
Gemology Project

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Dioptasa
Composición química	CuSiO ₃ H ₂ O
Sistema de cristal	Trigonal
Hábito	Prismático
Escote	Perfecto, romboédrico
Fractura	Concoidal a desigual
Dureza	5
Naturaleza óptica	Uniaxial +
Índice de refracción	1.644 - 1.709
Birrefringencia	0.053
Dispersión	Mediano, 0.030
Gravedad específica	3.28 - 3.35
Lustre	Vítreo
Pleocroísmo	Débil

Archivo:Dioptase.gif

Figura $\PageIndex{1}$ : Dioptasa facetada
Foto cortesía de The Gem Trader

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