Actinota

06/06/2013 105 Palabras

Mineral del grupo de los anfíboles, de fórmula Ca2(Mg, Fe2+)5[OH/Si4O11]2, peso atómico 2,9 a 3,1 y dureza 5,5 a 6. Presenta una coloración verdosa y cristaliza en el sistema monoclínico: es muy frecuente en rocas metamórficas y suele presentarse en masas de textura fibrosa. Es bastante rico en hierro.

This website uses its own and third-party cookies in order to obtain statistical information based on the navigation data of our visitors. If you continue browsing, the acceptance of its use will be assumed, and in case of not accepting its installation you should visit the information section, where we explain how to remove or deny them.
OK | More info