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16.25: Calcita

Última actualización

30 oct 2022
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- 16.24: Bowenita
- 16.26: Charoita

gemology
Gemology Project

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Calcita
Composición química	CaCo ₃
Sistema de cristal	Hexagonal (Trigonal)
Hábito	Masiva
Dureza	3
Gravedad específica	2.69 - 2.71
Naturaleza óptica	Uniaxial -
Índice de Refracción	1.486 - 1.658
Birrefringencia	0.172 - 0.19
Lustre	Vítreo

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