Tags: Chemical Substance, Mineral.

The scapolites (Gr. asairos rod stone) are a group of rock-forming silicate minerals composed of aluminium calcium and sodium silicate with chlorine carbonate and sulfate. The two endmembers are meionite (Ca4Al6Si6O24CO3) and marialite (Na4Al3Si9O24Cl). Silvialite (CaNa)4Al6Si6O24(SO4CO3) is also a recognized member of the group.

Skapolit_Madagaskar_Benono.JPG

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